-a表示的数是[ ] A.负数 B.正数 C.正数或负数 D.数a的相反数 发布时间：2017-04-05 14:17 │ 来源：www.tikuol.com 题型：选择题 问题： -a表示的数是[ ]A.负数B.正数C.正数或负数D.数a的相反数
题型：选择题 从II栏中选中与I栏对应的应答语。 I( )1. Excuse me, what's that?( )2. How are you?( )3. Is that Jeff's aunt?( )4. How old are you?( )5. How much are these oranges?( )6. Is Tina your good friend?( )7. When is your birthday?( )8. Does she like ice-cream?( )9. Where is my new T-shirt?( )10. Happy birthday! IIA. It's in the drawerB. No, it isn't.C. Sorry, I don't know.D. Yes, she does.E. My birthday is July 1st.F. Thank you.G. I'm 13.H. Yes, she is.I. They're $ 2.J. Fine, thank you. 查看答案
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