英语试题（5）目前财富值紧缺,21Scientistsareconvinced（）thepositiveeffectoflaughter（）physicalandmentalhealthAof；atBby；inCof；onDon；at22Thereasonwhywehavetogrowtreesisthattheycan（）us

Question

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
请详细说明理由

Answer 1

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.