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【单选题】
当单船进行扇形搜寻时,每一航向所搜寻的里程为( ) n mile,这种搜寻方式适用于当搜寻目标的可能存在区域较( )时。A.
2；大
B.
2；小
C.
10；大
D.
10；小
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【单选题】—_________ Mike________ his homework in the evening? —No，he doesn't．A． Do；does B． Doe
A.
4．—_________ Mike________ his homework in the evening? —No，he doesn't． A． Do；does
B.
Does；do
C.
Do；do
D.
Does；does
【单选题】Mike does his homework because he wants to watch the game on TV.
A.
quickly
B.
slowly
C.
happily
【单选题】_____ Mike _____his homework in the evening?
A.
Do; do
B.
Do; does
C.
Does; do
D.
Does; /
【单选题】Jack is clever and works hard at his lessons. _____. [ ]
A.
So is Mike
B.
So does Mike
C.
It was the same with Mike
D.
So it is with Mike
【单选题】— How often does Mike go to his driving lesson? — __________. [ ]
A.
Once
B.
Two times a week.
C.
For two hours
D.
Once a week
【单选题】Mike does his exercises ____ seven _____ the evening. [ ]
A.
on; to
B.
at; in
C.
by; of
D.
at; on
【简答题】一岁内婴儿的心理健康面临什么挑战?
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