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反力架支撑一般采用∅600*12的钢管, 一头焊接于()上, 一头焊接于()上,
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【单选题】听力原文： In the local newspaper of my community recently there was a story about a man named Mike Smith. He lived in a small town about 40 miles from my home. He had served 5 years in a New York prison f...
A.
His criminal record.
B.
The high unemployment rate in New York.
C.
The long distance between his home town and New York.
D.
His unpopular character.
【多选题】不同品种的水泥凝结时间、早期强度、水化热和吸水性等性能各不相同，应按适用范围选用。其中，有耐磨要求的混凝土应优先选用（）
A.
普通硅酸盐水泥
B.
粉煤灰硅酸盐水泥
C.
矿渣硅酸盐水泥
D.
火山灰质硅酸盐水泥
E.
硅酸盐水泥
【单选题】听力原文： In the local newspaper of my community recently there was a story about a man named Virgle Spears. He lived in a small town about 40 miles from my home. He had served five years in a New York pr...
A.
The long distance between his home town and New York.
B.
His unpopular character.
C.
The high unemployment rate in New York.
D.
His criminal record.
【判断题】(Why I Write) For fifteen years or more, Orwell wrote a story about himself. ()
A.
正确
B.
错误
【简答题】看图填空。 — Why _________ you give _________ at Christmas? — _________ an old, old story. Let's _________ the story _________ this book.
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