题目内容

The phrase "be brought forward" in Para. 1 most probably means ______.

A. be expected
B. be completed
C. be advanced
D. be introduced

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引起肺回缩的主要因素是

A. 胸膜腔的藕联作用
B. 胸内负压
C. 肺泡表面张力
D. 支气管平滑肌收缩
E. 胸廓弹性组织的回缩力

【C2】

A. denied
B. reproduced
C. replaced
D. reduced

对机体能量代谢影响最为显著的因素是

A. 寒冷
B. 进食
C. 高温
D. 精神活动
E. 肌肉活动

". . . but do not take to them" (Line 4, Para. 1) is closest in meaning to______.

A. they don't eat them
B. they have no interest in them
C. they don't eat them in other places
D. they eat them only when asked

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