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【单选题】
51单片机有一个( )串行口。A.
B.
半双工
C.
全双工
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皮皮学刷刷变学霸
举一反三
【单选题】He gets up early and ______ breakfast. [ ]
A.
have a quick
B.
has quick a
C.
has a quick
D.
have quick
【单选题】Many banks work with so many different customers and accounts that they need ______ to record all transactions.
A.
deposit slips
B.
computers
C.
parties
【简答题】Be quick. Somebody (wait) for us.
【单选题】Tara is quite ____ from Tina. There are many ____ between them.
A.
different. different
B.
different, differences
C.
differences, different
D.
differences, different
【单选题】听力原文： Television in America gives people the choice of many different programs on many different channels. However, many people today are criticizing the quality of the programs. According to these cr...
A.
There are not enough programs to entertain.
B.
There are not enough programs to show the life of ordinary people.
C.
There are too many programs to educate.
D.
There are not enough serious programs.
【简答题】He tried to solve the problem, but he (quick) ________ gave up.
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