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【单选题】
支撑海港码头基础的防腐技术,常用外加电流的阴极保护法进行防腐,工作原理如图所示,其中高硅铸铁为惰性辅助阳极。下列有关表述不正确的是( )A.
通入保护电流使钢管桩表面腐蚀电流接近于零
B.
通电后外电路电子被强制从高硅铸铁流向钢管桩
C.
高硅铸铁的作用是作为损耗阳极材料和传递电流
D.
通入的保护电流应该根据环境条件变化进行调整
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【简答题】根据《城市给水工程规划规范》的规定，城市给水工程规划的主要内容不包括（ ）。
【简答题】城市给水结构通常包括哪些?
【单选题】If you (were to) ask Jim what (did he) with (his) money, he would have difficulty (remembering).
A.
were to
B.
did he
C.
his
D.
remembering
【单选题】--- Did you ask the guard _______ happened? --- Yes, he told me all _______ he knew.
A.
what; that
B.
what; what
C.
which; which
D.
that; that
【简答题】What did the man ask the company to do about the lost card? He asked the company to __________the card immediately.
【单选题】在 ①城市给水工程; ②城市排水工程; ③城市供热; ④城市供电工程; ⑤城市燃工气程; ⑥城市环境卫生工程; ⑦城市通信工程; ⑧城市防灾工程; ⑨城市生态保护工程中,属于市政公用工程规划的有( )。
A.
①②③④⑤⑥⑦⑧⑨
B.
①②③④⑤⑥⑦⑧
C.
①②③④⑤⑥⑦⑨
D.
②③④⑤⑥⑦⑧⑨
【简答题】城市给水、供水设施有哪些?
【简答题】What question did the doctor ask the woman?He asked her ______.
【单选题】–Did you ask the guard what happened? --Yes, he told me all ______ he knew.
A.
about which
B.
which
C.
that
D.
what
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