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4.1.2 However, [when we look at the 100 billion stars in our galaxy (the Milky Way),and 100billion galaxies in the observable Universe], it seems inconceivable that at least one of these planets does not have a life form on it.when we look at the 100 billion stars in our galaxy (the Milky Way),and 100billion galaxies in the observable Universe is used as ( ).

A. an adverbial clause of time
B. an adverbial clause of concession
C. an adverbial clause of venue
D. an adverbial clause of manner

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4.1.2It’s not important, then, if there’s a delay of a few year, or decades, [while the human race debates the question of whether to reply, and perhaps carefully drafts a reply].while the human race debates the question of whether to reply, and perhaps carefully drafts a reply is used as ( ).

A. an adverbial clause of concession
B. an adverbial clause of time
C. an adverbial clause of venue
D. an adverbial clause of manner

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4.1.1 However, [when we look at（观察）the 100 billion stars (恒星）in our galaxy(银河)(the Milky Way),and 100billion galaxies（星系） in the observable Universe（可见宇宙）], it seems inconceivable(难以置信的)that at least one of these planets does not have a life form on it; [in fact], the best educated guess（最有根据的推测） (we can make)， [using the little (that we do know about the conditions for carbon-based life(碳基生命)) ], leads us to estimate that perhaps one in 100,000 stars(恒星） might have a life-bearing planet （孕育生命的行星）(orbiting it).Which of the following is the right description to the logical connection of the semicolon （分号） in the above-mentioned sentence?

A. The semicolon is used to join two coordinating clauses.
B. The semicolon is used to separate the long sentence into two independent clauses.
C. The semicolon is used to explain the reasons.
D. There is no logical connection used here.

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1．导致子宫收缩力异常的因素，无关的因素是

A. 节律性不正常
B. 对称性消失
C. 缩复作用增加
D. 极性紊乱
E. 强度、频率改变

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2．属于子宫收缩过强的病因是

A. 临产后用大量镇静剂
B. 子宫疾病
C. 急产
D. 胎位异常
E. 临产后雌激素水平不足

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A. an adverbial clause of time B. an adverbial clause of concession C. an adverbial clause of venue D. an adverbial clause of manner

4.1.2It’s not important, then, if there’s a delay of a few year, or decades, [while the human race debates the question of whether to reply, and perhaps carefully drafts a reply].while the human race debates the question of whether to reply, and perhaps carefully drafts a reply is used as ( ).

1．导致子宫收缩力异常的因素，无关的因素是

2．属于子宫收缩过强的病因是

A. an adverbial clause of time
B. an adverbial clause of concession
C. an adverbial clause of venue
D. an adverbial clause of manner