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【单选题】
某挡土墙墙背俯斜,每延米墙重自身W=117kN,作用于墙背土压力的竖向分力为Ey=24kN,水平分力Ex=35kN,墙底与地基土之间摩擦系数f=0.4,则抗滑动稳定系数Kc为()。A.
0.27
B.
1.34
C.
1.61
D.
1.95
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【单选题】The child _________ from his home around 5 o'clock yesterday afternoon.
A.
disappeared
B.
was disappeared
C.
has disappeared
D.
disappears
【简答题】句型转换。 1. The child read a book two days ago. (改为一般疑问句) ________ the child __________ a book two days ago? 2. They went to play soccer last Saturday . (否定句) They ____________ _____________ to play socc...
【单选题】The lost child ______ in the park by the police yesterday.
A.
found
B.
was found
C.
is found
D.
was
【单选题】Steve Paul Jobs passed away in America on October 6th, 2001, _____ death made millions of people feel sorrowful. [ ]
A.
whose
B.
which
C.
when
D.
where
【简答题】Yesterday morning Jake and his classmates went to the (child) home.
【单选题】They went through the forest yesterday ______ the lost child.
A.
search for
B.
in search of
C.
in search for
D.
searched for
【单选题】The child didn’t take medicine yesterday evening, did he?_____
A.
No, but I wish he did
B.
Yes, but I wish he did
C.
No, but I wish he had
D.
Yes, but I wish he had.
【单选题】The reason ___ he didn’t attend the meeting yesterday was ___ his child had fallen ill.
A.
that, why
B.
why, that
C.
why, why
D.
that, that
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