53天天练答案二年级数学下册

Lesson 53
A
1. have just put out, put out, have been putting out
2. have been trying, tried, have tried
3. have been smoking, have already smoked, smoked
4. thought, has thought / has been thinking, has been thinking
B
1. away 2. quiet 3. to 4. at 5. quite
6. drop 7. fell 8. reason 9. cause 10. caused
C
1. a 2. c 3. c 4. c 5. b 6. c

物理练习册的课时练习是针对初学者或者物理有些薄弱的学生，因为课时练习是比较基础的。而53的话，是结合物理的基础知识上不断升高难度，里面的题目也是物理题中最是经典的，但也会比较难，适合成绩优异的学生加强练习的。这主要看自己的物理学习状况。

学习还是自己多练习吧

题目，不解释

还是好好做比较好

自己想 不能懒

一.适当形式填空。
1.Could you tell me what ( ) (do) next .
解答：to do
2.I saw some students ()(play) basketball yeaterday .
解答：playing
二.根据汉语意思完成句子。
1.她是一位如此好心的姑娘，我们都喜欢她。
She is ()()()girl that we all like her .
解答：such a kind
2.这是一只钢笔。
This () a pen .
解答： is

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