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【单选题】
关于道德,正确的说法是( )。A.
道德在职业活动中不起作用
B.
B . 道德在公共生活中几乎不起作用
C.
C .道德威力巨大，无坚不克
D.
D . 道德是调节社会关系的重要手段
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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】在学习“电离平衡”概念之前已经学习了“化学平衡”的有关知识，根据“化学平衡”的相关知识来学习“电离平衡”，我们选择的策略是（ ）
A.
概念形成策略
B.
概念图策略
C.
概念同化策略
D.
多重联系策略
【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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