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【单选题】
B类地址的编址范围是( )
A.
128-191
B.
192-223
C.
1-191
D.
127-191
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皮皮学刷刷变学霸
举一反三
【单选题】Peter, you drank so much last night. You _______ if I remember correctly.
A.
aren't used to
B.
weren't used to
C.
didn't use to
D.
don't use to
【单选题】Turn ____ at the end of the street. If I remember ____, there's a train at six o'clock.
A.
right; rightly
B.
rightly; right
C.
right; right
D.
rightly; rightly
【判断题】( )PLC的输入、输出接口电路一般采用光电耦合器来传递信号,这样可抑制外部干扰源对PLC的影响。
A.
正确
B.
错误
【单选题】If I remember correctly, you were supposed _____ the keys on your way here. [     ]
A.
collecting
B.
collect
C.
to collect
D.
collected
【单选题】在寂静的教室里窃窃私语也能引起我们的注意,这种客观原因属于( )
A.
刺激物的强度
B.
刺激物的对比关系
C.
刺激物的运动变化
D.
刺激物的新异性
【简答题】If I remember _____, there's a train at six o'clock.
【单选题】If I remember ____, there's a train at six o'clock.
A.
right
B.
rightly
【简答题】我国最早的临床医学专著是。
【单选题】If I remember ______, there is a train at six o'clock.
A.
right
B.
rightly
【单选题】If I remember correctly, _______was ten years ago that your brother went to Canada.
A.
this
B.
which
C.
as
D.
it
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