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【单选题】
定时器T1的溢出中断标志是( )。A.
TF0
B.
TI
C.
TF1
D.
IE0
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反馈参考答案：
举一反三
【多选题】下面( )是访问者模式的优缺点
A.
访问者模式使得易于增加新的操作
B.
访问者集中相关的操作而分离无关的操作
C.
增加新的 ConcreteElement 类很困难
D.
通过类层次进行访问
【简答题】—When did you last hear ________ Jay? —He phoned me this morning, and we agreed ________ a time and place to meet.
【单选题】When it thunders, we always see the light before we hear the sound．______ It’s beca
A.
29． When it thunders, we always see the light before we hear the sound．______ It’s because A． our eyes are in front of our ears
B.
our eyes are cleverer than our ears
C.
our eyes can see but our ears can-t
D.
light goes faster than sound
【单选题】---- When did you last hear _____Jay? ---- He phoned me this morning, and we agreed _____ a time and place to meet.
A.
of; to
B.
about; with
C.
from; with
D.
from; on
【单选题】听力原文：M: When shall we start our work, Cindy? W: Tomorrow at 10 o'clock. But we must work quickly, for we have to finish everything before 3 in the afternoon. Q: For how long can they work? (13)
A.
3 hours.
B.
4 hours.
C.
5 hours.
D.
6 hours.
【单选题】We were completely______when we finally reached the destination.
A.
worn off
B.
worn down
C.
worn out
D.
worn away
【单选题】I’m amazed to hear from my old friend again. _____, it is ten years since we met last.
A.
in other words
B.
all in all
C.
That’s to say
D.
Believe it or not
【简答题】When we're learning a foreign language, sense of what we hear is the first step toward fluency. It sounds obvious, but until recently, we didn't know much about how listening works. New researc...
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