《钢结构工程施工质量验收规范》规定,碳素结构钢和低合金钢在加热矫正时,加热温度不应超过()。
A.800℃
B.700℃
C.900℃
D.1O00℃
参考答案:C
Talking About English Learning
English is spoken by many people in the world. It’s becoming more and more seuful and _____小题1:______ ( 重要的) in our daily life.
I have learned English s 小题2:____ many years ago. In class, I try to listen to the teacher ____小题3:______ (仔细地)and speak English more. After class, first I go over the lessons. Then I listen to tapes, watch English programs on TV, read English, ___小题4:______ ( 参加 ) the English corner and so on. While I am in trouble, my English teacher gives me much h____小题5:_____. I study 小题6: __ hard that I’m good at it now. I wish to practice ____小题7:____ (说)English with foreigners one day!
By the way, here are some suggestions for you. First, believe y 小题8: and try to read or speak English loudly. ___小题9:_____, learn English words and useful phrases or sentences by heart. Third, try to use English as much as ___小题10:______.
对混凝土管和钢筋混凝土管的使用特点叙述错误的是()。
A、取材方便、价低
B、应用广,抗形性强
C、管节长、接口少
D、管自重大、搬运不便