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【单选题】
在Java编程中，什么是最基本的单元（）A.
对象
B.
类
C.
包
D.
接口
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举一反三
【单选题】____ to the doctor right away, he might have been alive
A.
If he went
B.
Were he gone
C.
Should he have gone
D.
Had he gone
【简答题】He might not have been killed in the traffic accident yesterday if he (fasten) ______ the seat belt.
【单选题】He might have been killed ______the arrival of the police.
A.
except for
B.
but for
C.
with
D.
for
【简答题】He might have been killed in that car accident yesterday if he (take) ______ part in that activity with the team.
【单选题】_____right away , he might have been alive today .
A.
If he was operated on
B.
Had he been operated
C.
Was he operated on
D.
Should he be operated
【简答题】什么是马赫带现象?
【单选题】He might have been killed _________ the timely arrival of the ambulance.
A.
but for
B.
except for
C.
besides
D.
except
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