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【单选题】
What kind of passengers can be permitted to leave the cruise ship?A.
People who has no symptom of infection.
B.
People who have been tested and found to be infected by the new coronavirus.
C.
People who are under quarantine.
D.
People who have been tested, found to be free of the new coronavirus and show no signs of infection.
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【简答题】He asked me if I had visited Beijing two years before. →“ _____ ______ _____ Beijing two years_____?” he asked me.
【单选题】He asked me if I knew______.
A.
whose pen was it
B.
whose pen it was
C.
whose pen it is
D.
whose pen is it
【单选题】He asked me if I could answer ____________ of the two questions.
A.
neither
B.
all
C.
none
D.
either
【简答题】变量按作用域可分为 变量和 变量。
【简答题】按作用域分,变量可分为()和()
【简答题】变量按作用域范围可分为 变量和 变量。
【简答题】按作用域变量可分为两类，分别是局部变量和 变量。
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