易混词语辨、 练、 析 (module 3)
一、 set off; set out; give off; give out
1. all the hotels are required to put in smoke detectors
which will __________ the alarm if fires take place.
2. let’s ________ before six.
3. the fire doesn’t seem to be ________ much heat.
4. after a month, their food ________.
5. the teacher ________ the examination papers.
key: 1. set off 2. set out 3. giving off 4. gave out 5. gave out
《简析》 set off表示“使(机器、装置等)开动;启动”、“引起”(如1);set out表示“出发;动身”、“开始”(如2); give off表示“发出;放出(蒸汽、光线、热量等)”(如3);give out 表示“用完;耗尽”、“分发”、“发出(气味、热量等)”(如4和5)。
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