供热管道连接，一般采用（）方式。 A.焊接 B.法兰 C.螺丝 D.套筒 发布时间：2017-06-08 14:56 │ 来源：www.tikuol.com 题型：单项选择题 问题： 供热管道连接，一般采用（）方式。A.焊接B.法兰C.螺丝D.套筒
题型：单项选择题 选择补全对话。A: Look! 1_______ the boy? A: 3_______ is he doing? A: Does he 4_______ that jacket? A: 5_______ 6_______ pairs of socks 7_______ he have? A: Does he need 8_______ shirts 9_______?B: 2_______ is Li Ming. B: He is packing his suit case. B: No, he doesn't. B: He has one pair of socks. B: Yes, he 10_______. ( ) 1. A. who's( ) 2. A. He ( ) 3. A. Where( ) 4. A. want ( ) 5. A. How ( ) 6. A. many ( ) 7. A. do ( ) 8. A. a ( ) 9. A. two ( ) 10. A. do B. whoseB. He's B. What B. wantsB. What B. much B. is B. much B. to B. does C. whose's C. His C. How C. wanting C. Where C. old C. can C. an C. too C. is D. what's D. He D. When D. to wantD. Who D. tall D. does D. more D. either D. can 查看答案