第一章 单元测试

1、判断题:
A:对
B:错
正确答案:【对】

2、判断题:
A:错
B:对
正确答案:【错】

3、判断题:
A:对
B:错
正确答案:【错】

4、单选题:
A:连续
B:无穷间断点
C:可去间断点
D:跳跃间断点
正确答案:【可去间断点】

5、单选题:
A:

<img src=’data:image/png;base64,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
B:

C:

D:

正确答案:【

<img src=’data:image/png;base64,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】

6、单选题:
A:

B:

C:

D:

正确答案:【

7、单选题:
A:

<img src=’data:image/png;base64,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
B:

<img src=’data:image/png;base64,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
C:

<img src=’data:image/png;base64,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
D:

<img src=’data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAVQAAABSCAYAAAALvCwcAAAV/UlEQVR4Ae2dBbAcRRPHg0uCW3CHEEGCBgvuTnCHENzdU7i7uxMsCRTuwR0iBAkhuFtwn69+86WvJvdWZndn99671111dXe7o/+d/W9PT09vB6OiCCgCioAiEASBDkFK0UIUAUVAEVAEjBKqDgJFQBFQBAIhoIQaCEgtRhFQBBQBJVQdA4qAIqAIBEJACTUQkFqMIqAIKAJKqDoGFAFFQBEIhIASaiAgtRhFQBFQBJRQdQwoAoqAIhAIASXUQEBqMYqAIqAIKKHqGFAEFAFFIBACSqiBgNRiFAFFQBFQQtUxoAgoAopAIASUUAMBqcUoAoqAIqCEqmNAEVAEFIFACCihBgJSi1EEFAFFQAlVx4AioAgoAoEQUEINBKQWowgoAoqAEqqOAUVAEVAEAiGghBoISC1GEVAEFAElVB0DioAioAgEQkAJNRCQWowioAgoAkqoOgYUAUVAEQiEQCmE+vPPP5tOnTqZCSaYwPzyyy+xTZ1hhhlsmtlmm8189913sela44nll1/eXH/99Yn9y9ruzTff3EwyySRm/vnnN9NOO639fd9992UqZuuttzYDBgzIlMcn8d57721OP/108+uvv/okb5VpRo8ebfr162cmnHBCO+522mmnIOPu5ptvNr169TKPPfZY0H4//PDDZqGFFjJnnHGGV7lPPvmkWWmllYKOSa+KNVENgaCEutVWW5mJJ57YDlbItEOHDrEX97LLLjMdO3a0aUj7zTff1BrVmn98/vnnpmfPnubFF18M2sz11lvP3HDDDeb333+35W644YYWx+2339689957qXWdcMIJZuaZZza33357atq8CfbZZx97fS+99NK8RTQk32+//Wa++uorA0GtvfbaFlfGJv0pIv/995+9ZjvuuGORYhLz/vjjj+b888836667bmI6OTlkyBAz6aSTmjXXXFMO6XeFCAQlVGn3lFNOaYkyiVBJO/3007cpQu3fv7+ZaaaZgpLp33//bW9ybspRo0YJhEYIdb/99jMfffRR7XjUjy233NJMNNFE5o477og6HfTYMcccY2cfF110UdByqyrswgsvrI3NIoT69ttvmx122MGUSaaCyV9//WUflKuttpoZO3asHI79fu6558zUU09tevfuHZtGT5SDQEMJtZwulVPqlVdeaeaYYw7z0ksvBa1gnXXWsRrTgw8+mKvcLbbYwuavgkylgZA8s4q2SKpCqF27djVM1fPIl19+aY4++miDyaAqYZaCOYfx4iNPP/20vUYrr7yyT3JNEwgBJVQPIJmGL7XUUmabbbZJ1RY9iqslkennVVddFWsaqSWO+HHkkUca7NB33nlnxNlyDwmpQlBtRX744Qdz3HHHWQ113333zd3s6667zswyyyzmpJNOyl1GnoyYLHiQMW58REnVB6WwaZRQPfBceuml7UB++eWXPVL7J1lrrbXszf3QQw/5ZxqX8t9//zUsYnGDNYJQzzrrLEsqXbp0MYMGDcrc/kZkuOCCCyxemKLyEipkCuZVaqcuVkKqjJ00ef311w3XZ+655zbXXHNNWnI9HwABJdQUEJdddll7AzHdHzp0aEpq/9PcENyY2D65SbJKnz59bH5u8D///DNr9iDpRUuFqEIJdmpw4Tu00E7IFE+Kgw8+OHPxPDgYB5TRSEKl/m7duhkfM9Ezzzxj8VxxxRUz91czZEdACTUFM9FOX3nllZSU/qexweHewo2Rh0zfeustu+BA/rvuusu/4sApIVTaAAGyEh1C8FagzDIJdc899zR//PFH5uZee+21tq8sRrGY2Aj57LPPzKGHHmrb4bOSD6GCJw8RX/trI/rVLHU2nFA7d+5s/QKT3KYWXXRR667z6aef1nDHFWaeeeaxefEr/OCDD2rn3B89evSwWiA3PSuf77zzjns68bdopwzIkIQq2inl5iFUmeqTv5GEeuONN9opJe1o7YQKTgsssIAlFx4EWeWmm24yU0wxhc2/8847Z80eNP0jjzxi27HMMsukjudXX33VzDnnnJaAV1hhhaDtKLMw3NzEBXPyySc3u+yyS2J1mMAef/zxGh/gafTaa68l5injZEMI9bbbbqs5/kN0fOoJlYWgWWed1Z6TNEKoc80113jH5TyLRlLOOeecYxds5Bw3vfxGw/MRFqLIQ96ihLr66qvX6pcy3Tb5TN+kzZtttpltE07fTzzxhBxO/MZvduONN7a+v4LDxRdf3EJTw0Vn1113rbX18ssvTyx3//33t21ZcsklzQMPPJCY1udkWRqqaz91CZUbkYU1wYSHaNS1EO2Ua+ZLqGxqwfuCh7qUP9lkk0WaC+65555aGlzmkkQIlTLXWGONpKQGX1nGCO2ed955S/VTTmyI58kvvviitvECrHgI4KpIX2eccUbD9aqXn376qYYdmrgs9pIHYq1SKidUdkXdeuutllC5yPIRIqTzw4cPN2effbZ9sqJ9ShoIFTJFQ5OdVdzI2CFJA4DshmEqxMVg54hMzTDOSzk4Po8cOTIVZ8omDxfyzTffTE3vm4D2Ue5uu+0Wq1nHlcXmCekvWpP0Ly59/XE0+fXXX7+GFzZYER40bDAAR8HKl1DJc95550lRub/LJFT6BPayKYNV8FVWWWW8/tKPPfbYo0X7IVTyg33fvn1bnE87wMIh+Skf+7crgwcPHq8NtBGPhDgRQqU8HtRp8uyzz9bqbs1aKptmwAdFql54OLHLDa8WV/DLhSPwaa8XlDLKY2ZRlVROqG7HxLGfgeESqpsGcDkvg/GTTz5xT9vfPHklDcSJ5vbhhx+2SLfIIovUyknTUvHfE+I688wzzffff9+ivDwH2Eoq7eDGyCpopwwS+nv33XdnzW7TM9C22247WwaaG/+R3Xff3eDChbAAh+9jGmGLhkp7WiuhctMdf/zxtr+0F+GhjV+nrPazc0/GEDeuK5hlMDtxngd63kU4zA6UAQGwGQOBTNkFxfiCNIYNG2bSxqZLqEsssUTq1FYIlbrZMu0rKBGQUdEPPr8+AqGijbobXNx8PGTAX0iVXWTcC5jy4oSxzX2MIlKFtClClSl/PTAs8uAawoBZfPHFTRTpkkeIjHRpgxbtVIgL28w///xTX22u/2gfUm4eQt10001rN35eQqXhTFvBgbagfaF1XX311Zn75BLqueeemzl/fYYyNFTsu4I57cWsQVvdqX8SoeJyJPmZjo8ZM6a+2V7/hVApi1kWZMoDkml5FnnhhRfMggsuaK8fsy3KSJK8hPrGG2/YftPeIh9iU6RJknbq5uXBg20VU8f7779vpplmGvd0i98QKrNV7LBVSFMQKkDNN998doChoX788ceR2GUhVPbrQzh8MOyHEgaClNtIQsXILySB3YlAL3nEJVRIgpuwiJRFqGBOwBmc8dnh5ZIp7RVCxW5+7733jtcFCFWuWdriyHgZ6/5A5MRroCwejNhq99prr7pU6X/Z9rrRRhvZcriGadN+l1CZveVZCE1vVbEUQqjMNpMEGyqzC/qN5smDJUl4WKE8QapVSNMR6sILL9wmCBU/yDiNO+nCh9JQmc5jL+XmZrBxo+cRl1AZ5Gla6lFHHZWq7dAmyor7EE8gi6ChUuYBBxxgF6BosyuYBE488USbJsp+GopQqdPVUtM0S7eN7m9WwMWEQb/Y458kLqFiZjviiCOSkjfkHISKto19P03QUuk3D0gfwUVOCXUcUq4NNYmARENtzYQ6cOBAQ/sYDI8++qjPWGiRJhShUrBM+wnwkcWdzG2US6j0K41Q2S5LuiIf9tH7Cs74MjNhQYatp/WmErRTWfysilDpP9cyj2A7RMsWDLMQKhHe8KNtbQKhQno+Dxkl1Jirl3VRqq0TKtN9tC5uhDyEyvSlDEKlTXm3JmYl1JihUDscesrPQplgzjdaar0QjpBz2OZkkcpNE1JDZbo9++yz2zGQl1CJSYuJJg+hEqe4iNnCxSXkb9FQN9hgg9RilVBjIGpvhIqtS26CPIQKjGUQKm0KQajYtIo6+JdBqIJ5FJmCKYRKGnZQRUlIQmXKLwSfl1BZ7cbPWvqVRUNlhdxXw+cBzrbmoh9sx2kiNlQ26yQJXif333+/7Ts4shU4SegD3go65R+HUjNN+YVQWRCJ80RIGhycC0WoaCncWGJHDUGohBLE7aeIhCRUiOC0006zNx9T+oMOOqhF03C8xxXHl1Axj/gQRIuKjDHEKT388MNtBH7q6969e67AMiy6oknnIVRMTr5vFqhylR9PHRQs/NSTBO0U2ykmKkwfaXZUVvmZeSihjkO1NRAqUfDZ6lpEeI2F9CWvdkr9IQgV0mMqjPcCxMqNya6pPEThTvnRmtAIikhIQsWeK9pgnHZ6ySWX1NL4aKj4cfruTqvHAe2Uhw42XDCnbXm0VDQu7MGUAVFQZpK4i1JZ/FCJG8DiadHPKaecktS82jm0VEiVDTlRwmYedj6RBmExkYdhkusUhIrL1LvvvhtVZPBjusofAynTKJ5sDFpuNC52EUE7lZu70YTKYpS4SQmhosG5WioaADdUmriE2toc+yFUIa4DDzwwsisQKmkIVhN3I7OjSgiM18ycfPLJkWUlHWSnlBCfECr1brLJJrVs+LcynU0T/KIhCfLj5pXmU52XUNPaEfo8m3vYQIHiUb/FFM0U7VWc+qVuSJX7Ksq5HzLlnO6UErSMqWl1DB6fRSkCQUTtkqJIWe2lrLRBSHrZespFKbqXH4KmXm4Eboi8gsuL2J4hwKxRkwg757pICaHSR3Hsx2H6+eeft+9hSmtnWyBUXjAYhRMaDy5YXBfxB+XNDFEr/bL1FJzALIswdngoyzZf6j311FNtvS6h4v+Kf2ma4L9MO2g3D+o0aSuESj8gTgkexEOeD33lwxbwKHH38pOee0zyVEmmtK10DZU3oMaJEAMDw2frqQ
正确答案:【

<img src=’data:image/png;base64,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】

8、单选题:
A:

<img src=”data:image/png;base64,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
B:

<img src=”data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAATAAAAA4CAYAAAB636QqAAAXs0lEQVR4Ae2dCdxW0/bHy9RcQiL5UyINaKbBbZ5LKSkh7m2kiSbq3koRpUEKpTSJEJWK0DxpUAjlFhlKhMg8D/t+vrv/Pu2znzO+7/O89b7v3p/P/jzn7GHttdc5+3fWWnud8+QQNlkJWAlYCWRSCeTIpHxbtq0ErASsBIQFMHsTWAlYCWRaCVgAy7SXzjJuJWAlYAHM3gNWAlYCmVYCFsAy7aWzjFsJWAlYALP3gJWAlUCmlYAFsEx76SzjVgJWAhbA7D1gJWAlkGklYAEs0146y7iVgJVAhgPY2LFjxSWXXCL27t2b6aX/zDPPHHdzuOeee447nixDVgKpkkCGAFjVqlVFpUqVRMWKFcWBAwfEjh07RNmyZeV5nIkpGnH6pKJtlSpV5HwOHTqUCvIJNOPMG/nSvnLlygl0bIGVQFaTQMoB7PLLLxcnnHCCyJkzp3jttdek/KpXry7Pc+TIIXr27Bkq08WLFwvo6DRCO6WogZqPmkuKhnGR3bZtm8iVK5eoVq2auPvuu111Xie0R+a0t8lKICtLIKUAVqtWLQeoZs+e7chRARoAtmHDBqfc66BZs2biwgsvlHReffVVryYZVqbmcyz42Lx5s5RB0aJFRd26dUPnvGnTJtm+Zs2aoW1tAyuBzCqBlAFYvXr1HPACqH744QdHRmvXrpV1derUEb///rtTbh7ccccd4pRTTpFt16xZY1Zn6Lmaz/LlyzN0XH0wJTceAN27d9erPI/RXNFaowCeJ4GAQq7nt99+K/7++++AVse26ptvvhGvvLJC7N//iS8jq1atEe+8s9O3Pqjijz/+ED///LOnDH755Rfx+utvenaHr88//8Kz7ngr/OuvvwT5eE0pATC1cAAu8vPPP58w/xUrVoi33noroVwvKFKkiFyAF110kV6c4ceNGzeWfDCXY71g8+XLJ3kpWLBgqBxYYAAYfDdq1Ci0vdmAhd+wYXPx3nvvm1WifPnKIkeO3OLrrw8n1B0vBRs3bpI8Tp78iCdLX355SBQqVFTkzXuaOHToK882QYVDhgyT9D/55EBCs9q1G4oCBYqI999P3Ky67rpOIl++08Ubb+xI6Jfqgh07jq65vXs/kPN/8MGHnGE/+uhj8eOPPzrnS5e+KPLkKSymTp3ulB1PBykBsPLlyzsLh8Xz559/xp5zixYtHBobN26M3T9ZHXQ+rr322mSRTTMdNEAFSs2bNw+lA/jHaa8TnDXrcblAzz23lODG1tPZZ58vTjghb5qezp06dRZVq9ZMal69eq3OnjwOA7AePXrL+d1++0BpIaBVmvm3335LoKsKggAMfpBP5crVhU7jqafmyzEbNGjm+zCcO3eeqFmzbprz008/q1h0/TL2SSflF1u3bpPlPJh4CN1//wR5/tNPP4kyZSqI+vWbOv3++c9uso3q41QcJwdJB7Crr77aWTCAFzluatOmjYtG3P7JbK8WP/N49913k0k6zbR0npBVUFq3bl26ZDlq1Bh5A5csWUYcOPCpM9QppxQUp512tnMe5yAIwIoW/T853oUXlncADrBkocGDH/DFBTDMxhNPzCfpQtsvDx481HdqXgC2fPlKsWTJCzLXq9dEnHpqUfHYY7Pk+XPPLRKFC58lcubMIx5+eKrT7quvvnaNgUZ05pnnRs5cB53/mTPnuOipExSJyy+/UpQqVU4CtQlgXbrcIk4+uYDYtu112QUNHtpnnXWeL9gq2sfqNz66BHB66623uhYLiz7KrplJUnfypwUATXozZ84UaE/t2rUT7du3j3wx6KODhUk37nmPHj0Cuzz++OOSzyC/IAQKFy7s8AV/YUmfAzKIm9BQWCDVqtWSXb///nt5zkJITwJ0dJMGWmqsF198ySGtgGLePHfc3YwZs8Vnnx102pkHfhoYC/Mf/2gg5/Cvf3UXgwYNScglSlws68eOfcAk65wrvnQT8pxzSsp+OqCEHa9du96hGffg5ZeXS62JMcqWrSgA0KC0Z8970iQEmHUAgw40xo9/0Om+YsUqWda8+dXi7bff8cy6b9vpmIEHSQGw66+/XnTs2FHkz5/fWVgAD7lhw4ayjvooadSoUS4a48ePj9ItoQ3akuKrdOnSYuDAgWLevHmiadOm4rrrrnN4gi8964T0hR8XSNXYOm38V35yoD2xcYwJyAalRYsWuWTEgyMopWce0MXv16/fIPHmm0f8J5iT3OwK0ILG9qv78MOP5NMe8/Tgwc+dZlEBDDCDhzp13L69TZu2iLp1G8tcqdIVsg3anCrDgX7rrX1lOb4d/EBmmjPnCVl/8cWXCZzxfskPwFq2bCvNtPnzF0htho0CeKU92s369RsF4IAWRrkOYAACplxYAnxatGgj+6PlTZw4WQDMJHxYQcCCjJiXDmBoZ5iuuo+3e/dekj48+mWA71impACYuUAUeOm/s2bNijTPYsWKuRbnd999F6mf3ujmm28WTZo0ceiwwD/55MhOFPFbfvw+9NBRZ+b06dMT2uljhB2jTc2ZM8eJgdNlYfaFX5Mns415rrfPkyePWe06z507t4t+//79XfXmycKFi0WrVu18M2DADX3GGef4tlH9x42baJJ3zv/97+GSDmaNAoooAMbuHuCDefPBBx869DhYtuxl6SDHSZ4rVyFJH3OXc/KwYSNlGZoSPqrzzrvItUuJBoMZhXkZ5vfxAzD8RswNc/jw4W9kRl7Tps2QvPbseZs0h9EyKVcA9uuvv8rzyy7zj98DmAYOHCyYE/wDMuYGRPHiF8iNCV0wzAtTUM9cP8bPn/8MVzlteEixuYGcGEPlxo1byj74ySjbtevYulWSAmAzZswQjz32mGuRqAVLOVlHdl2w5rG+MKERN3Xr1i2Bjw8/dN/k5hiKR24glXTnN3yULFlSVcX6RTbmeL169XJodO3aNaE+yrxNmg5Bj4O2bdu6xihQoIBHq6NFY8aMlzcpN3d6M34Vv8Q9AdAxRocON8pmYQD2xRdfCrQ2ACbMXLr77vskbbULiRlEPxblvn37pW8KfxQaGlogGiY7h/AzadLDnmxv3/6GBEbAUfnQABPOb7mlj6QNgGFWAgydO/dwARi7etDHVFu5crU89gIwQhd69+4nFixw7+ArU69ChWqORqwYVdqQF4ABNMhW5dtuGyAfQPBy5ZX1nXJVr7TUu+5yv5qGpkefLVuOBKWrsY/Vb3yECODUXFS6RhPQzVVl0nBVRjgx/WctW7ZM6BVlDLPNmDFjEuhELTBpEdtGAsjgd8qUKQk5jLZJM+gBsX37dheAhQEk8V2YeH4ZDYKbGIDwa4PjmjaYnkEJf1q5cpXkYsc/EwZgOLihG+SbYjzkgdOftv373yH9N5T17TvApTUoMw4e1GbBhAmTfFnG7GrWrLXMF1xQVtLHWU8ZoAc4AmAkFjvgBjDCB6EIhJ/QHl6CAIw4sfPPLy1B8oknnnL4UQCGhqcS5l+vXrfLMe65Z7TwAjDVll98rGykwBMZkALQ1GYCmzW5c58q67p2dbsnmBuaX5iZO2XKNMF98p//3KUPnfTjlAJY3AC49evXx1popjS4MObC3rp1q9ksoU1CAyES2uzevdurWaSySZMmJdCj44knnigefPCo0zQSsf9vZM6zX79+gd3N9oGNQyqVA9x0wOvdVLjA8OHhrz5hBipaYQDGGF47jvrYHKPVqAXKb7FiJcTHH+8zm8mFSMiCaos5GzW2zc+EvPba66WGB7jj60Lzg/7o0ePEa69tF5s3b5X1yo/npYHBKPyymQBgKPPTBDCA5KqrrpH04Z3YtiAAgyYuADRGpaG2bt1OPkAATMAWkIdftFP8iHoiLATfYFjC8Q8NtOVUpqQB2KBBgzwXaRzm69evny4aW7ZsCe3/5JNPhraBZ3PBE3GdnmTSGzBggBg3blyaSZr0TjrppEBaZvvAxgGVyIGbnwBQHlCYRGhsZkLb4AbWd7XMNviw0FD0zGKlH/FKqlyZanqZqlO/mHZ60jUMFhM0WHhKy8BdgJagtC7qqlSpIcfG94MJFebf8QMw+I+T/QCM+WDqqh1RtFodwNDSFM+AkLpHvQCMWLR7771f+rVw+q9bt8HlxCesBI2VuQNsbER07HiTvAYqjg1ND82sffsbdFF7Hmc6ADNNtzAzxWvW5iKLS2Pnzp0JwGOOU65cudA29DF5MenEPTfpxZ2bOV5cemZ7k17Uc2X2YDLhhOYpXatWvQSTguBIFrHSHLzo4yPCkYyfLL1ZD7QFpFiIysTDB4Y5hzaBT4kAVuKx4O/004sJ6tUOHvWEIygAgga+KLQoM3kBGFrV9OkzY2W1C+vnxOeNCOSN+aoD2H//u1vOo0+f/q6AYi8Aw+HOnHDCoxmiufGWAPJXPkI0TwJsVeybCmRWmxloj9C4776xpigSznnbANpBGxIJndJQkDQNzFwgI0aMiM2OSSMti9ykoTPhZWKOHDlSb+IcB9FxGsU4IB4umTRNWmGyMtvHYN3VtFu3nvImBqCQp9qVatLkKtd7rfg+uNn9osIhCoBhkiQ7AThoa7Nnz5U8qAX6wANHHNDwdcklVQTnhFWYCc1yzZp1ErgAA9p7ma1eAGbSinPuB2D4y9Bk0Rbxz8GP8rt5vW/pBWAAsO5Lw5cFeOvAD69oWYxHwtxkLACfpK49YSDHS0oZgCkhxJko7/eld6ENGzbMRUMff+jQoa46zv2SyUda5mPSNmma9XHOTVoZAWDc0IQYoN2orXtijogH40Zv166jowmgFVCmB6Sa84NOsgFs9+49ErxYbGYgK6Yuzm60rMWLl4ZmeOe6o4F4XX8/AMMU08MVgo6JEVPJC8A+/fQzqRUhyxo16siNAI555QezGNpoxXryAjC0rmefXSgz/klMwSJFijtlqo5f3UGPiUr4CVogD5xUa1T6PKIcJwXA2KEzF1SUw
C:

<img src=”data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAU4AAAA2CAYAAACoVXBxAAAY/UlEQVR4Ae2dCdiOxffHtReiiCT9SUJKoehvKVsoRIqKFiEqyhIKFSVlp2gRJdJPlDZbhSKVvaTSIpU2UtK+129+12fezm2eee7tWd7X6zLnusZ93zNnzpw5j/neZ87M3G8B5chZwFnAWcBZICULFEiJ2zE7CzgLOAs4CygHnO4/gbOAs4CzQIoWcMCZosEcu7OAs4CzgANO93/AWcBZwFkgRQs44EzRYI7dWcBZwFnAAaf7P+As4CzgLJCiBRxwpmgwx+4s4CzgLJDnwDl58mRVtWpVtXr16rSt/+GHH6ZdN27FjRs3xmXNF3w//vhjvtDDKeEssDdYIE+A89JLL1U1atRQ1atXV5s3b1Zvvvmmqlixon5Oxcgi47fffkulWlq8tCHtpSUgjypNmDBB67lq1ao8aXFPsEmeGMI1sldbINeB8/TTT1eFCxdW++yzj1qzZo36559/VOfOnfVzgQIFVJ06dSJ/gJ9//lkhR2REVsgSw9q1a3WbtWrVypLE7IrBJqVLl9Z2zSuPE5usWLFC/x6078hZYG+0QK4CZ7169TyAbNGihWffIkWKePlXXnmll+93M2bMGFW7dm3N/9prr/mx5GoeIAFg161bVwEa+YXEtrvDJthg5MiRat9999V2yS82cXo4C+SVBXINOBs1auSBI57le++95/Vp2bJluqxMmTLqk08+8fLtm/Xr1yt4AK6lS5faxXn2LPpWq1ZN5UWYIKpjYtvjjz8+ijXXynfs2OH9vg0bNsx6Oz/99JP6/vvv1X//+9+sy86WwO+++0698MJi9dlnnweKfPHFpertt98JLM9WwR9//KHWrn1dbd26TYtkZrcnEHruKbqa9swV4Ny2bZs3qABNYpw2LV68WL366qt2dsJzzZo1PTkJBbvhAfCmL40bN94Nre9qslmzZp5NVq5cuatgN9zxG4pdWrdunbIGAE6TJi3Upk3Ji30nnXSqKlDgYPXttztTlptXFV59dYXWceLE+3yb/Prrb1TRokeqggWLqW++2eHL45fJy/mjjz72KwrM27btK63LzTffqlavXqsqVqyaJ4BtK/Tmmxu8rM2bP9L9v/vue7y8Tz7Zogi9Cc2bt0AdcsjhatKkKZK1R1xzBTjFIwJoSJs2bUrZGC1btvQG5YIFC1Kun+0KCxcu9PQxww7ZbidM3rBhwzwdsGt+IAHO/fffP2V1Hn74ET3YjzmmgmJAmXTUUeXUvvsWTMsbufzyLqpmzbpZTS+9tMxUT99HAefVV1+n+9enT3+FB+2X8BRN+uuvv1Tp0seqE0+sYWZH3iObF03Pnn3Vzp3fqRNOqKblfPxx8oxuxoyZqm7dhmmnWbOe8NXnscceV/vvX1gDNwy8ENFp1Khxmv+XX37RejVufI5Xv1OnbpoHsN+TKOujr02bNgmDO50BftNNNyXIyC8GFZCgT+wMyGtiIUh0eOaZZ/K6ed/2RB9sct555/nyhGXeccdIPXDKlz9BffHFlx7rgQcWUcWKHeU9p3ITBpxHHvl/ur3jjz/JA1ZAmgGODkGAmypwMj3fb79CWi6yg9LAgbckda1Ll6s1/yuvxI/pE9LYZ59DVMeOOWsGW7Z8quhX+/aXJ8nHAyxZ8pjYid/B1H/q1OlJMsn4+++/1emnn6EqVDhRvyRs4LzyymvUAQccqkMK8POSQHapUmXzdUjGr7NZBc5x48Z5A5uBRErHOytZsmSCHD/F4+YRJ7vwwgtD2Tt16hTJgwATJM4888xQmUGFixYt0m21a9dOkX744Ycg1oT8iy++OKH9hMI0Hu6///7QWl988YXWE33DaM6cOQl6pROTxCNjYNaqVU83xQ4BnhmAmRBgZ04dkSVtLVjwnCd60KDBur2ZM2d7edw89NA0L2aYUPDvQ5DHCSCceeZZWmbnzlepG24YlJSOPbayLh89enyS6FWr1uiyDh06emWPPvqYql+/SWgCOEuUKOPx8CKoXbu+at489ReaNPz884u0l8jvUaVKdbVo0RIp8r1+8MEmPfXmhWACJ3KQMXbs3V69xYtf1HktWrRRb731tm/Ck86PlBXgJIZ5ySWXqLJlyyYMIoCzcuXKqkOHDjrFMcCWLVsSZMTZrmTKRQ9pj+sFF1yg5W3dutVk8+7hP+iggzQP/GFUvnz5BN0YIHGImJXoxdamcuXKqZkzZ6pHHnlE62fqa96bslnBNoHbLIu6l7ZN2RUqVAj8TeCXUAn6RsVSTb3at28fpU5SOWB7/fU3qPXrc+JjTNtNIE2qECODKSreDWEA4n9CcYETEEWHBg2aSlV9XbFilWrYsJlONWr8v+bBe5U8Foy6d++l84ndEeezafr0R3V55cqnBC42EuM96KCiXmz0zjtH6TpHH11elS1b0TcxTaaOXY4sIYCIKXMUAXotW56v2zzssCPVXXdN1B4i9YhRhgEaNuL/vAmceKOECMwX61VXXavlY+egBODmR8oKcNqDWrxN83rvvffG6n+rVq0SAGL58uWx6gkTYDR9+vQEGehBCMGmK664IonP5jGf58+fn8B/2WWXmcW+97QBEAm4sKd17ty5mjdnepWz6GTainvA3CSpL3xmWdS92ATPO0qOn02iVs2jZNr6PfXUs6p163aBCRBiIB1xxNGBPFJ/zJi7bPHe8003DdFymD7Kbog4wPn66+u118Q00l6kWbjweVWoUHGdACn0JKwgeYMHD9V5ABwxWkDMXHXHYwPQmcaHxfWYTiNb4oMCnH4xS+nwKafUCo2N/v7771omfEEEIPbvP1D3Cf0BN3thq0yZ4/SClymDfjHlNhO/H30oXPiIhHx4eDmyaIadaENSs2bn6jrEQcnbuPFds5l8c58V4HzooYfUgw8+mDQoGeTkk/jR4lCqgzBIJjqFyeratWtSOfpGUZhMuy6nemz+GTNmJLDZ5WKvadOmeXx+unqFKdxs2LAhSR9zH223bt2SyrEJtgwjuw9RnvjIkWP14GBQZZqImwURLyYAljYuvjjnJRcFnNu3f629VIAtalp6++3DtWxZVWe6ST3A4NNPP1MPPviwjjvikeL14lEfemgJXWfChHBHgt0EBx98mDruuCraS4sDnGed1VzhHQoRpvr111/lUY9BbAFwsgXouuuuV08+mRgrlyl1tWq1vBmACBDvzw84AThsK6l37376xUd7Z5zR2MuXcvHKb711mIjXVzxb6hCuyM8UjRQpaG8PoIEDB6ZQO4fVlpGyAKOCLeuaa3IGWffu3RVgRJzPTkZ131tbpi/Tv5lMyaP47XK/mKfNg4efLg0fPjxQJ+Ta9oiKhaKHrR8AHEYMaDynoNSjR289eACmIB5AiQHGFD+MiJeyQo3XQ/wtCjjF0/OLPZrtAMrEENGhb98bdXyOvF69+iV4SffeO0nzoIMsQo0bN8EUFXg/ZcpU9fLLryQBJx4hi0BmYsGGhSD0kak4fSVcIE6L6XF+9dV2Va5cJQ30xE+FBDjx1oWYZl97bR8te9iwEcoPOIWX659//qlYoEMXEuAIkO7Y8a1mYxGQlwJlXbt2N6sqVtnxdKUPCYX56CFXgXP79u0pdZW3oz0IUxJgMbMwZcuTaXw6W6QQb8uzmkx4tHnvvntXYFwYbZ4nnkje6mHz2NN4kRXnSnzKlke93r17Kz/94si05cXx3MPkysKKvbBj1mHrCwNvyJDbzWzfe6bbIisKOBHgt4JuC162bLkHDOjBFiJWsm0CANj6Aw+JsEE6e1NNj5PY6uGHl0pIADaJNj78cLNWA6+xUaOzPZVM4CQTfVmkAqgmT86ZVdjAif6tWrX1dGdvahhwIpNQC2EM8cjPO6+dfnEB1HjdoieLWfTFpFNPra2I/eZ3yhpwjh071ndApmIAQMMehKnUt3lZ1LDlsVjFMc50yZb3xhtvBIqyef0YbR6/QwE2T9GiRf1Exc6z5fXr10+NGjUqdn2b0ZaXCXDy8mTQsXGc6SQbpPFQbWLDNCBhrtLaPMQoiT+aCZCgHgspki/bhsw8KZPrunWJv7PpUbEqjAwGvHhVgNT990/2vEzKTjutjm6b2B5T1aj4nbkAYwKn3U95xhukb4A64Exfhw8fLcUJU3XJJKQgK/x48SZw4pWKzoCfTPv9gJP9qOhI3wgX4Cmbi0Nsz8JDpxxAPffcCxS7BrCv7GXFs8UTveii5AMzom9+uWYNOO0tROkMnjiLF6kazh7UBx54YKoiEvhtef37908oNx9sXrOM+0GDBiUBu83Dsy2H1f1MaMiQIUkymWamS7Z+6fz20vaSJS/pwc8WGrYM4ZXUq9coaerGogkgIZ6S1DevTM9ZoCAOmmkyN+gDjgAA8Ud0IMZJbA7viZghG9/xCCkrXry0Lpe4L+Vs66GMhAxijcRHTeKZvg8YcLPOjgOccqDgP/+ZpdikjnwT8G2PU9pj8Qp7A3QmcL733vu6H2yqN49F+gEnCzm0x+IO4RU8VTxf7C8xYMCcOKzsXRV9ZZFszZp1WoYJ9qJjfrtmDTjtwcPgTJXsE0eZDEBpu1ChQgkgccABB0hRWle7n+ecs+sUhC3Q5o0qHzp0qM2in205p5yS2VSGAWTL9G04ZqYtK5PfrVu3HnrwAIzEymSV9eyzW+lnUYmjhQzUoFMs8AGcTP2yTQAd3um0aTO0DgIM48fnLGygV9Wqpyme2Z5kEyC0dOnLGjABIfjt8IC8GKR/JnASF8SrM9Nrr63UG8uRRV0ACtAyX4hBwAkPnjsxWOKvyGCKD5iyw8AmP+AE6M1YKbFKXhrmCwc5eJWiE9N62uJFA8lvv3x5+FFsW5/d8ZxrwGm+oeJ2jDibPQjj1g3iC1sMCaoTlm/rF7YANnjw4IT+mHLt45O33JJ8gkT47TbZL5sp2TJvvz06VhjUpi0rXeBkILFVB29OtsAQk2VjPAOsXbsOn
D:

<img src=”data:image/png;base64,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
正确答案:【

<img src=”data:image/png;base64,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】

第二章 单元测试

1、判断题:
A:错
B:对
正确答案:【对】

2、单选题:
A:

0

B:2dx
C:

dx

D:3dx
正确答案:【

0

3、单选题:
A:

B:

<img src=’data:image/png;base64,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
C:

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