在建筑给水系统所用管材中,常用的纯塑料管给水管材有( )。
A.衬塑钢管
B.铝塑复合管、冷塑钢管
C.PE管、PE-X管、UPVC管、PP-R管
D.玻璃钢管
参考答案:C
第二节:短文改错(共10小题,每小题1分,满分10分)
A man went to an insurance office to have his life insured. The manager of the office ask him how old his parents were when they were died. “Mother had a bad heart and passed away at age of 30. Father died of tuberculosis (肺结核) when he was 35.” “I’ m very sorry,” said the manager, “We can’ t insure our life as your parents were not health” Disappointing, the man left the office. He met a clerk who had listened their talk. “You mustn’t be so frank and tell the truth.” said the clerk. “Not office will insure you if you speak like that. Use your imagination a little.” The man went to other office and was shown into the manager’ s room. “Well, young man, how old were your parents when they died?” “Mother was 93, and died while she was play football.”
哪一部不是托尔斯泰的作品?()
A、《哈泽·莫拉特》
B、《战争与和平》
C、《复活》
D、《悲惨世界》