Whileotherscientistsarekeeping

首页 / 高中英语 / 试题详细

更新 2022-09-03
科目英语
题型单选题
难度较难
浏览 1566

While other scientists are keeping__ __eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in __ __humans.

A．a , /

B．an, /

C．the, an

D．an, the

登录免费查看答案和解析

相关试题

It was never clear___the man hadn’t reported the accident sooner

A．that

B．how

C．when

D．why

题型：未知
难度：未知

收藏答案/解析

If you___faults but you still want the bicycle,ask the shop assistant to reduce the price

A．come across

B．care about

C．look for

D．focus upon

题型：未知
难度：未知

收藏答案/解析

Anyone,whether he is an official or a bus driver,should be___respected

A．especially

B．equally

C．naturally

D．normally

题型：未知
难度：未知

收藏答案/解析

If he takes on this work,he will have no choice but___an even greater challenge

A．meets

B．meeting

C．meet

D．to meet

题型：未知
难度：未知

收藏答案/解析

I had hardly got to the office___my wife phoned me to go back home at once

A．when

B．than

C．until

D．after

题型：未知
难度：未知

收藏答案/解析

推荐套卷

热门套卷

粤ICP备20024846号

粤公网安备 44130202000953号

声明：本网站部分内容由互联网用户自发贡献自行上传，本网站不拥有所有权，也不承担相关法律责任。
如果您发现有涉嫌版权的内容，欢迎发送邮件至：service@youtike.com 或联系QQ：267757 进行举报，一经查实，本站将立刻删除涉嫌侵权内容。