游客
题文

Scientists are convinced       the positive effect of laughter_____physical and mental health.

A.of, at B.by, in C.of, on D.on, at
科目 英语   题型 单选题   难度 较难
知识点: 介词
登录免费查看答案和解析
相关试题

.
16. So far there have been hundreds of _______ infected with H1N1in our province.

A.points B.cases C.examples D.diseases

.
In this university a medal with five thousand dollars _______ achieved success in science and technology every two years.

A.is given to no matter who B.is given to whoever
C.are given to anyone who D.gives to whomever

.
This place is an ideal site for a restaurant _______ it is just in the center of the downtown.

A.even if B.so that   C.in that   D.in case

.
When they were dragging her away, the little girl reached out her hands in _______ want of her mother.

A.curious B.desperate C.sincere     D.serious

.
-------Mum, I don’t know whether I should take a computer course at weekends or not.
-------- I leave _______ to your own judgment.

A.it B.what C.this D.that

Copyright ©2020-2025 优题课 youtike.com 版权所有

粤ICP备20024846号