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大工17秋《电气工程概论》在线测试2t

时间:2017-11-20 19:13来源:未知 作者:admin 点击:
奥鹏大工17秋在线作业在线测试等答案 1: 多选题(4分) 以下选项( )满足晶阐管触发电路的基本要求。 A: 强触发脉冲 B: 触发脉冲与电源不同步 C: 与主电路电源隔离 D: 抗干扰能力强 正确答案:, 2: 多选题(4分) 变流技术的主要目标是( )。 A: 节约能源 B: 提高效

东财《大学体验英语(基础教程)》在线作业

本次作业题目与你的不相符请与客服联系索取正确答案
一,单选题
1. Tom tried to get the car____ but failed.
A. moving
B. move
C. moved
D. to move

2. —Guess, how much does it cost?—I think it costs _____ 15 and 20 dollars.
A. from
B. between
C. among
D. with

3. I am going to do what I like and go ____I like.
A. anythere
B. what
C. as
D. where

4. Which island is (), Hailan () Taiwan?
A. big, or
B. biger, or
C. bigger, or
D. bigger, and

5. Excuse me, may I () your telephone? I have something to tell my mother.
A. borrow
B. call
C. use
D. lend

6. Have you seen ____pen? I left it here this morning.   —Is it ____black one? I think I saw it somewhere.
A. a, the
B. the, the
C. the, a
D. a,a

7. ________ him and then try to copy what he does
A. Mind
B. Glance at
C. Stare at
D. Watch

8. When a pencil is partly in a glass of water, it looks as if it_________.
A. breaks
B. has broken
C. were broken
D. had been broken

9. He goes to work early before the office is awake,____to speak.
A. so as
B. just
C. in order
D. so

 

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