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搜题
【单选题】
食品受到下列污染不属于生物性污染的是A.
寄生虫及虫卵
B.
昆虫
C.
细菌及其毒素
D.
霉菌及其毒素
E.
农药及兽药
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【简答题】在父类中使用 public 定义的方法,则子类覆写该方法的访问控制权限必须是( )。
【单选题】Years ago the professor said that there was no doubt that the people in this city would _____ a water shortage, if not a water crisis. _____ events have proved his predictions to be exactly right.
A.
be encountered with, Subsequent
B.
be confronted with,Subsequent
C.
be encoutered with, Frequent
D.
be confronted with, subsequent
【单选题】It doesn't matter____you fail the exam. Keep on studying hard, and then you will succeed in the end. [ ]
A.
before
B.
unless
C.
if
D.
until
【简答题】在父类中使用public定义的方法,则子类复写该方法的访问控制权限必须是______________
【单选题】Keep on going and never , and then you will succeed. [ ]
A.
look up
B.
bump into
C.
throw away
D.
give up
【单选题】You will be getting married and having a family______and then you ll understand why parents want to protect their children.
A.
by and by
B.
in general
C.
at large
D.
at length
【单选题】Have faith ______yourself, be faithful ______your work and make every effort you can and then you are not far away from success. [ ]
A.
of; of
B.
in; in
C.
to; in
D.
in; to
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