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 1580

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

I ________ your last point — could you say it again?

A．didn’t quite catch

B．don’t quite catch

C．hadn’t quite catch

D．can’t quite catch

题型：未知
难度：未知

收藏答案/解析

They won’t buy any new clothes because they ________ money to buy a new car.

A．save

B．were saving

C．have saved

D．are saving

题型：未知
难度：未知

收藏答案/解析

I left my pen on the desk and now it’s gone; who ________ it?

A．took

B．has taken

C．will take

D．had taken

题型：未知
难度：未知

收藏答案/解析

We ________ to move but are still considering where to go to.

A．are deciding

B．decided

C．have decided

D．had decided

题型：未知
难度：未知

收藏答案/解析

The winning of hosting _______ 2010 World Expo is _______ victory not only for Shanghai residents, but for ___________ people of the whole Chinese nation.

A．the; a; the

B．a; the; a

C．a; a; the

D．the; the; a

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。