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【多选题】
神经纤维动作电位的组成包括。
A.
峰电位
B.
负后电位
C.
正后电位
D.
终板电位
E.
超射值
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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...
【简答题】根据所依据的物质性质,定量分析有 和 。
【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】American media have been consolidated to the hands of six media giants including GE, News Corporation, Viacom, CBS, ______________ and ________________.
A.
Disney and Time Warner
B.
ABC Television Network and Pixar Animation Studios
C.
Disney and Hollywood Pictures
D.
NBC and CNN
【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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