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问题 单项选择题

X线表现为圆形，边缘模糊的阴影，肺门淋巴结增大，与肺部病灶之间有条索状阴影相连，是（）

A.Ⅰ型结核

B.Ⅱ型结核

C.Ⅲ型结核

D.Ⅳ型结核

E.Ⅴ型结核

答案

参考答案：A

选择题

分子甲和乙相距较远（此时它们的分子力近似为零），如果甲固定不动，乙逐渐向甲靠近越过平衡位置直到不能再靠近。在整个过程中     （   ）

A．先是乙克服分子力做功，然后分子力对乙做正功。

B．先是分子力对乙做正功，然后乙克服分子力做功。

C．两分子间的斥力不断减小

D．两分子间的引力不断减小
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单项选择题

If we take a close look at successful language learners, we may discover a few techniques (技巧) which makes language learning easier for them.
(16) , successful language learners are independent learners. They do not depend on (依赖) books or teachers; they (17) their own way to learn the language. They try to find the patterns and the rules for themselves, (18) waiting for the teacher to explain everything. They are good guessers who look for clues to form their (19) conclusions which are very different from others’.
Successful language learning is (20) learning. Therefore, successful learners do not wait for a chance to use the language; they (21) such a chance. They find people who speak the language and ask these people to correct them (22) they make mistakes. They will try anything to communicate. When communication is difficult, they can (23) information that is incomplete (不完整的). It is more important for them to learn to (24) in the language than to know the meaning of every word.
Finally, successful language learners are learners with a (25) in order to communicate with these people and learn from them. They want to learn a language because they are interested in the language and the people who speak it. It is necessary for them to learn the language.

Ⅱ. 完形填空

/Close
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出一个最佳选项。

A．explain

B．make

C．discover

D．change
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