问题
单项选择题
函数在x=1处的微分是（）．
A.5e2dx
B.2e2dx
C.3e2dx
D.e2dx
答案
参考答案：A
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函数在x=1处的微分是（）．
A.5e2dx
B.2e2dx
C.3e2dx
D.e2dx
参考答案：A
| 在下面短文中的横线上填入所给单词中适当的词语，完成短文。（可重复使用） | |
| The Monkey Judge There once (从前) was a 1_________ who was walking in a 2_________. Suddenly (突然) he fell in a 3_________. The wolf yelled (号叫), " 4_________! Help! " Along (经 过) came a 5_________. The 6_________ saved (救了) the wolf. He pulled the 7_________ out of the hole with a 8_________. Then the wolf said, "I will9_________ you." The sheep yelled (惨叫), " Help! Help! " Along came a 10_________. The monkey said, Let's do it again so I can see. Then I can judge who is right (对的)." So the 11_________ went back in the 12_________, and the sheep got (握住) the 13_________. The sheep started (开始) to 14_________ the wolf out of the hole. But the monkey yelled (大叫), " Stop! Stop! Don't 15_________ the wolf! The wolf is ungrateful (忘恩负义的). Leave (丢下) him in the 16_________." So once again(又一次) the 17_________ was stuck in the 18_________. The 19_________ and the 20_________ went home.
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