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【多选题】
关于导线测量 , 说法错误的有 ( ) 。A.
导线点只需通视即可
B.
距离测量可采用视距法测量
C.
导线点必须稳定可靠，能够长期保存
D.
相邻点间的视线倾角不宜过大
E.
采用电磁波则距时, 不受外界条件影响
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反馈参考答案：
举一反三
【单选题】Hardly() the classroom when the class began.
A.
he had entered()
B.
he entered
C.
had he entered()
D.
he was entered
【单选题】— Do you think the thief entered through the garage door? — No. If he had. I don't believe he _____ the living room window. [ ]
A.
would have broken
B.
had broken
C.
would break
D.
broke
【单选题】—Do you think the thief entered through the window? —No, if he had, I don’t believe, _______ broken the living-room’s window.
A.
he would have
B.
he must have
C.
he had
D.
should he have
【单选题】I would have enjoyed myself more _______i gone with a group of friends.
A.
had
B.
if
C.
has
D.
shall
【单选题】______ in his book, he didn’t notice me when I entered the room.
A.
Devoted
B.
Absorbed
C.
Absorbing
D.
Devoting
【简答题】Now that my sons are more (depend), I have more time for myself.
【单选题】________ in his book, he didn't notice me ________ I entered the room.
A.
Devoted; when
B.
Absorbed; while
C.
Absorbed; when
D.
Devoted; while
【单选题】was Sam aware that he was in danger.
A.
When he entered the forest
B.
After he had entered the forest
C.
Only after entering the forest
D.
Upon entering the forest
【单选题】Robin ________ volleyball quite well, but he hasn’t played it since he entered senior high school.
A.
is playing
B.
had played
C.
used to play
D.
plays
【单选题】—Do you think the thief entered through the back door? —No, if he had, I don’t believe he ______ the living-room window.
A.
would break
B.
broke
C.
would have broken
D.
had broken
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