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【单选题】
要想测量INT0 引脚上的一个正脉冲宽度,那么特殊功能寄存器TMOD的内容可以为( )。A.
09H
B.
87H
C.
00H
D.
80H
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：A: I'm really getting worried about Mary. She was sitting in for the exam in two weeks' time. But all she is talking about now is nothing but an upcoming concert. B: She may fail along that line....
A.
To persuade Mary to spend more time on her lessons.
B.
To help Mary to prepare for the upcoming concert.
C.
To talk with Mary about going to the concert.
D.
To ask Mary to stop worrying about the exam.
【单选题】Alice is sitting ________ two students. The one on her left is Mary and the one on her right is James. [ ]
A.
behind
B.
between
C.
in front of
D.
across from
【单选题】-Why are you standing there，Mary？ -I can’t see the blackboard. Two tall boys are sitting _________ me. [ ]
A.
in front of
B.
in the front of
C.
next to
D.
behind
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