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【判断题】
由曲线 所围成的梯形的面积为 ( )A.
正确
B.
错误
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举一反三
【简答题】I remember for the job，but I forget the exact amount．
【简答题】______ I not ______ (forget)the place of his home, I would have gone to see him．
【简答题】The window was broken because I didn't close it when I left. (forget)
【简答题】用戴维南定理求图(a)所示电路中的电流I。
【简答题】概括来讲,中国主流商业地产企业主要涉足哪些商业地产开发类型?代表产品线有哪些?
【单选题】—I am sorry I _______ my exercise book at home. — Don’t forget _______ it to school tomorrow.
A.
forget; to take
B.
left; to bring
C.
forgot; to bring
D.
left; to take
【简答题】wrote it down＿＿＿I should forget it．
【简答题】用叠加定理求图1.25(a)所示电路中的电流I。
【单选题】第三篇 Some Things We Know about Language Many things about language are a mystery, and many will always remain so. But some things we do know. First,we know that all human beings have a language of some...
A.
some backward race doesn't have a language of its own
B.
some race in history didn't possess a language of its own
C.
any human race,whether backward or not, has a language
D.
some races on earth call communicate without language.
【简答题】试用网孔法求图(a)所示电路中的电流i。
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