题目

给问句选择合适的答语。⑴What are they doing? A. My name is Jenny.⑵How old are you? B. They are playing.⑶What's your name? C. I cut my nose.⑷Happy birthday to you. D. I am ten years old.⑸What's the matter?E. Thank you. 答案：【1】B【2】D【3】A【4】E【5】C10．用一根长160分米的铁丝做成一个长方体框架，长20分米，宽12分米，高是多少分米？