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【单选题】
预防呼吸道传染病的措施是()。A.
平时老年人外出好口罩
B.
冬季每天开窗通风一次
C.
每天用湿毛巾擦拭室内灰尘
D.
外出前认真漱口、洗手
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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】Entering the room, I found Mary _______ at the desk and _______ a letter.
A.
seated; wrote
B.
sitting; written
C.
seating; writing
D.
seated; writing
【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
【单选题】Entering the room, I found Mary ______at the desk and ______a letter.
A.
Seated；wrote
B.
Sitting；written
C.
Seating；writing
D.
Seated；writing
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