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【简答题】
某一元件的端电压为u,端电流为i,在关联参考方向下,当P=ui>0时,该元件( )功率。(吸收/发出)
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【单选题】Why did Central American children try to enter U. S. illegally?
A.
Because they wanted to get good education in America.
B.
Because they escaped from detention facilities in their country.
C.
Because they wanted to live a better life than in their own country.
D.
Because they went to find their relatives living in America.
【简答题】—Do you think that we should make preparations for the competition in advance?—Exactly. .A．Action—Do you think that we should make preparations for the competition in advance? —Exactly. ____. A．Act...
【单选题】听力原文：W: You know, we never went over Chapter 16 in class. What do you think the odds are that Dr. Bomb will include it on the test? M: He's been long to do things like that. So I wouldn't put it past ...
A.
He'll probably talk about Chapter 16 in class today.
B.
He'll probably postpone the test until he talks Chapter 16.
C.
He might test the students on material not discussed in class.
D.
He usually tells the students ahead of time what will be on his tests.
【单选题】—What do you think we should do for our aged parents? —I think the most important thing we ________ do is try to stay with them for more time. [ ]
A.
have to
B.
ought to
C.
will
D.
would
【单选题】在自然界中锗有5种稳定的核素： 70 Ge、 72 Ge、 73 Ge、 74 Ge、 76 Ge。下列有关说法中正确的是 [ ]
A.
70 Ge、 72 Ge等互称同素异形体
B.
70 Ge、 72 Ge等互称同位素
C.
70 Ge、 72 Ge等的核外电子排布不同
D.
70 Ge、 72 Ge等的质子数、质量数、核外电子数相等
【单选题】听力原文：In American industry, there's still relatively little job mobility. After all, getting an employment is not an easy job nowadays. (27)
A.
American workers tend to stay in one job.
B.
Crop dusting jobs in American are few.
C.
The mob moved very slowly.
D.
Their relatives live in mobile home.
【简答题】Topic1 Media 1.How do you get the latest news ? 2. Do you like to read newspapers or journals / watch TV /? 3. What do you think of “We Chat”? 4. What do you think of the role of media in our life?
【简答题】Rose is an American schoolgirl. She is now in Beijing with her parents. It’s Sunday morning. Rose gets up early in the morning. After breakfast her parents take her to the zoo. They go to see the pand...
【判断题】GE is the most far-flung and complex organization in all of American business.
A.
正确
B.
错误
【单选题】The word “together” sounds as________.
A.
/t?'geð?/
B.
/tu'geð?/
C.
/'t?geð?/
D.
/'tugeð?/
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