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【单选题】
程序计数器PC的位数取决于( )。A.
存储器容量
B.
机器字长
C.
指令字长
D.
计算机的型号
手机使用
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举一反三
【单选题】He can _____ his father _____ him. [ ]
A.
ask; help
B.
ask; helping
C.
ask; to help
D.
to ask; to help
【单选题】Why not help when you were in trouble? [ ]
A.
you ask for
B.
ask for
C.
asking for
D.
to ask for
【简答题】完形填空。 Every day you ask 'Can I dothis?' or 'Can I do that?' and people ask you the same 1 .But do you know the 2 way to ask for permission (许可 )? You must be polite (有礼貌的) 3 you are asking for perm...
【单选题】Why not ____ help when you were in trouble?
A.
you ask for
B.
ask for
C.
asking for
D.
to ask
【简答题】No one ______ him about his intention. A) dares ask B) dare ask C) dare to ask D) dares asking
【简答题】书面表达。 You are supposed to write a composition on the topic Friends Selectively or Extensively. You should write about 120 words and base your writing on the outline given below: 1．有些人认为应该有选择地交朋...
【单选题】Could you ______ her ______ me back? [ ]
A.
ask, to call
B.
ask, call
C.
to ask, call
D.
to ask, to call
【单选题】Can you ____ your mother ______ us ? [ ]
A.
ask, to help
B.
to ask, help
C.
ask, help
D.
to ask, to help
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