题目内容

Various studies and surveys have shown that the heavy usage of smart phones and social media negatively affects children’s mental and physical health.

A. 各种研究表明,智能手机和社交媒体的大量使用对儿童的身心健康有负面影响。
B. 所有的研究结果都证明,儿童在成长时期不应该使用智能手机或者参与社交媒体活动。
C. 所有的研究和数据都说明,儿童使用智能手机和社交媒体将会影响他们智力的发展。

查看答案
更多问题

We have a special surprise for you-a seven-day online promotion of all the electronic products we manufactured last year.

A. 我们有个特大的喜讯一我们将在七天之内上网展出去年生产的所有电器产品。
B. 我们给你一个特别的惊喜--在线促销我们去年生产的所有电子产品,为期七天。
C. 我们为你准备了礼物--你可凭去年购买我们公司产品的发票在七天内上网申领。

Companies understandably ask: why should I train you ( ) you will leave and work for my competitors?

A. if
B. unless
C. until
D. although

After the bargaining progress ( ) , a final agreement was signed.

A. is completed
B. had been completed
C. has completed
D. had completed

No doubt, robots are having a dramatic effect ( ) the labor market in this country.

A. on
B. over
C. about
D. With

答案查题题库