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【多选题】
CJJ/T8-2011《城市测量规范》规定,采用光学水准仪进行二等水准测量时,返测观测其观测顺序错误的是( )。A.
奇数站为后→前→前→后,偶数站为前→后→后→前
B.
奇数站为前→后→后→前,偶数站为后→前→前→后
C.
奇数站为前→后→前→后,偶数站为后→前→后→前
D.
奇数站为后→前→后→前,偶数站为后→前→后→前
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举一反三
【单选题】In some way, he _______ several of his friends in the trouble.
A.
involved
B.
made
C.
find
D.
get
【单选题】In some way, he( )several of his friends in the teouble.
A.
involves
B.
involved
C.
involve
D.
involving
【单选题】In some way, he _____several of his friends in the trouble.
A.
involved
B.
celebrated
C.
invented
【简答题】In some way, he _________ several of his friends in the trouble.A. involved
【单选题】In some way, he ______________ several of his friends in the trouble.
A.
involved
B.
involving
C.
will involved
D.
will have involve
【单选题】In some way, he ( ) several of his friends in the trouble.
A.
involve
B.
involving
C.
involves
D.
involved
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