|
6.Scientists are convinced________the positive effect of laughter________physical and mental health. A．of；atB．by；in C．of；onD．on；at 解析： 句意为：科学家们坚信笑对身心健康有积极影响。be convinced of坚信，深信，确信；effect常与on连用，意为“对……的影响”。以上两个均属于固定搭配，故选C。 答案： C badly off穷的；缺少的 教材原句P18：Unfortunately his father died，leaving the family even worse off，so Charlie spent his childhood looking after his sick mother and his brother.不幸的是他父亲去世了，他的家境更加贫困，因此查理的童年是在照顾生病的母亲和弟弟中度过的。 ①We aren’t too badly off but we can’t afford a house like that. 我们并不是一文不名，但我们负担不起那样的房子。 ②The school is rather badly off for books and equipment. 这所学校相当缺乏书和设备。 ③I went to her home and found her living condition was worse off than mine.我去她家一看，发现她的生活状况比我的更差。 ④If he had worked harder when young，he would be well off now.如果他年轻时多努力一点，现在就能过得舒服些。 ⑤To make matters worse/What’s worse，it began to rain while we were marching.使事情更糟的是，在我们行进过程中，天下起了雨。 7.We shouldn’t complain about being poor，because many families are much_______after the big earthquake. A．better off | 
