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 中等
知识点: 介词
登录免费查看答案和解析
相关试题

They considered___ a computer, which was considered ___ a great help in their work.

A.to buy;to be B.buying;being
C.to buy;being D.buying;to be

The natural beauty of Mount Tai _______millions of tourists from all over the world every year.

A.encourages B.attracts C.reminds D.seizes

________the good old days,he couldn’t help smiling.

A.Looking back at B.Looking on
C.Looking forward to D.Looking into

What great fun the children had____ basketball! I didn’t have the heart to stop them.

A.to play B.playing C.play D.played

-________I forgot to watch the football game on TV yesterday evening.
-Not to worry. I have recorded it.

A.Excuse me! B.What a pity!
C.How come? D.Sorry for you!

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

粤ICP备20024846号