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【单选题】
对沉降观测所用的基准点可不做以下要求()。A.
应埋在冻土深度以下0.5m
B.
不少于三个
C.
埋设在稳定地区
D.
应远离观测点300m以外
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皮皮学刷刷变学霸
举一反三
【简答题】设A={x|x+1＞0}，B={x|x＜0}，则A∩B=（ ）。
【简答题】设A={x|x+1＞0}，B={x|x＜0}，则A∩B=______．
【单选题】He realised that none of his classmates would come to his defense.
A.
decision
B.
defeat
C.
protecton
D.
demand
【简答题】设 ，且f(x)=0，则x=______。
【单选题】听力原文： Adrians 'Amazing Race' started early when his parents realised that he, as a baby, couldnt hear a thing, not even loud noises. In a special school for the hearing-impaired, he learned sign langu...
A.
They wanted him to live a normal life.
B.
They wanted to prove the headmaster wrong.
C.
He wouldn't mix with other disabled children.
D.
He wasn't taken good care of in the special school.
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