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根据原文提供的信息.以下推断不正确的一项是 ( )
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【单选题】“社会保障”对应的英文表达是?
A.
Social Security
B.
Social Assistant
C.
Social Safety
D.
Social Insurance
【单选题】( ) the 1500's ( ) the first European explored the coast of California.
A.
It was not until/ then
B.
It is until/ that
C.
It is not until/ when
D.
It was not until/ that
【单选题】It would take nearly a book in itself to explain the scope, rigor , and stress of those tests .
A.
vigor
B.
strictness
C.
tradition
D.
pursuit
【单选题】太平天国正式建立起与清政府对峙的农民政权开始于
A.
金田起义
B.
永安整顿建制
C.
洪秀全东乡称天王
D.
定都天京
【单选题】脂肪的理化特性中有利于脂肪贮存的特性是( ),但其会导致必需脂肪酸含量的降低。
A.
水解作用
B.
酸败作用
C.
氢化作用
D.
合成作用
【简答题】C When the first European arrived in the land now called Canada, around 400 years ago, there were about 350,000 native people living there. Most of these people were later forced to live in separate p...
【单选题】_______is the first European country that successfully founded the first colony in America.
A.
France
B.
Spain
C.
Britain
D.
Portugal
【单选题】The jacket doesn’t fit Terry, as he hashuge body and the jacket is small.()
A.
such a; such
B.
such a; so
C.
so; so
D.
so; such a
【单选题】“Your body doesn’t know how to lie” indicates_____
A.
something is wrong with your body and you can only stand.
B.
body language is important.
C.
body contact is dangerous.
D.
we can’t separate mind from body.
【简答题】考虑一用于氩离子激光器的稳定球面腔,波长 λ = 0 . 5145 m m ,腔长 L = 1m ,腔镜曲率半径 R 1 =1 . 5m , R 2 =4m 。试计算光腰尺寸和位置,两镜面上的光斑尺寸,并画出等效共焦腔的位置。
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