英语试题 (5) 目前财富值紧缺,21 Scientists are convinced( )the positive effect of laughter( )physical and mental healthA of ;at B by ;in C of ;on D on ;at22 The reason why we have to grow trees is that they can( )us

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英语试题 (5) 目前财富值紧缺,21 Scientists are convinced( )the positive effect of laughter( )physical and mental healthA of ;at B by ;in C of ;on D on ;at22 The reason why we have to grow trees is that they can( )us
英语试题 (5) 目前财富值紧缺,
21 Scientists are convinced( )the positive effect of laughter( )physical and mental health
A of ;at B by ;in C of ;on D on ;at
22 The reason why we have to grow trees is that they can( )us with fresh air
A provide B offer C give D afford
23 The actress had( )loads of hardships before she became famous
A gone through B got through C pulled through D gone over
24 You haven’t been( )before,have you?
A to abroad B in abroad C abroad D for abroad
25 It has been ten years now since the Labour Party came to( )in that country
A power B control C force D charge
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英语试题 (5) 目前财富值紧缺,21 Scientists are convinced( )the positive effect of laughter( )physical and mental healthA of ;at B by ;in C of ;on D on ;at22 The reason why we have to grow trees is that they can( )us
1.C 科学家们证实大笑对身体和心理健康都有好处.
2.A 我们种树的原因是它们能够给我们提供清新的空气.
3.A 这位女艺人在成名之前度过了一段困难时期.
4.C 你之前没出过国吧,对么?
5.A 至今老公党以在哪个国家当权十年了.