游客
题文

If H2 burn in O2, we can get _____.

A.H2 B.H2O C.O2 D.H2O2
科目 英语   题型 单选题   难度 中等
登录免费查看答案和解析
相关试题

–Is this his key? -No, it’s .
A. my B. I C. mine

–Is that girl your sister?
-No, .
A. it is B. it isn’t C. she isn’t

-.
- Yes. R-U-L-E-R, ruler.
A. What’s this?
B. Can you spell it?
C. Is this your ruler?

Here is a nice photomy family.
A. of B. in C. at

-, is this your ID card?
-No, it is Lily’s.
A. Sorry B. Excuse me C. Thanks

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

粤ICP备20024846号