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【单选题】
在做梁的纯弯曲实验时,应采用增量法进行逐级等量加载。在下列四个有关表述中,不正确的是( )。A.
采用增量法加载，可以消除初始状态对测试结果的影响
B.
采用增量法加载，可以消除测试系统的系统误差
C.
采用增量法加载，可以消除梁的自重的影响
D.
采用增量法加载，可以保证应力与应变之间的线性关系
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举一反三
【单选题】Mr.Johnson,together with his wife and two daughter, to arrive this evening.
A.
were
B.
are
C.
was
D.
is
【单选题】Mr. Johnson, together with his wife and two daughters, ____ to arrive on the evening flight.
A.
are going
B.
are
C.
will be
D.
is going
【简答题】Mr. Johnson, together with his wife and two daughters,______(已经投票选举她).
【单选题】Mr. Johnson, together with his wife and two daughters, ______to arrive on the evening flight.
A.
are going
B.
are
C.
will
D.
is
【单选题】Recently, Mr. Johnson, together with five other men, __________ one of the lifeboats, and sailed 800 miles to the island, where there is a lake with rich fresh water. [ ]
A.
have been to
B.
has been to
C.
has taken
D.
have taken
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