Withthehelpofhightechnology,ma

首页 / 高中英语 / 试题详细

With the help of high technology, many new substances（物质）______in the past years.

A．discovered

B．have discovered

C．had been discovered

D．have been discovered

登录免费查看答案和解析

相关试题

—I feel so nervous about the National English Speech Competition tomorrow.
—________.

A．I really envy you	B．Glad to hear that
C．Sounds great	D．Take it easy

收藏答案/解析

—How did your interview with the manager go?
—________ He seemed interested in my experience, but he didn't ask for references.

A．Perfect!	B．I'm not sure.
C．That's right.	D．Couldn't be better.

收藏答案/解析

—The ice cream is really delicious. Can I have some more?
—________.

A．Behave yourself	B．Please yourself
C．Do it yourself	D．Be my guest

收藏答案/解析

—Is this Mr White's office, Mary?
—Yes, ________.

A．all right	B．it doesn't matter
C．after you	D．help yourself

收藏答案/解析

—Jenny, it won't be long before I receive the admission letter from Oxford University.
—________

A．Good luck!	B．Congratulations!
C．Why so soon?	D．Don't worry.

收藏答案/解析

推荐套卷

热门套卷

粤ICP备20024846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。