问题
填空题
850+______=1500；______×a×b=c×a______．
答案
由1500-850=650，所以，850+650=1500；
根据等号左右两边对照可得：c×a×b=c×a×b．
故答案为：650，c，×b．
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850+______=1500；______×a×b=c×a______．
由1500-850=650，所以，850+650=1500；
根据等号左右两边对照可得：c×a×b=c×a×b．
故答案为：650，c，×b．
| 完形填空：先通读下面短文，掌握其大意，然后从各小题所给A、B、C、D四个选项中选择一个最佳选项。 | ||||
| I can't believe the homework my seven-year-old son brings home! I have to sit with him every afternoon in order to see all the homework (1). There is so much work and he is very (2) after school. I have to give him a little time-out, so he can swim (3) just get relaxed in front of the TV. Then we continued and it (4) a few hours at least to finish all the homework. I don't remember having so much work when I was at this (5) and I don't remember it being so hard! It seems to me as if I am paying the school and they are sending my child (6) with so much work for me to (7) him do! Why don't they do all this work at school? I think these (8) are doing the students great harm (伤害)! They shouldn't be (9) to give the kids so much work to do on their (10). Then the sport is pushed again and again! I have always been a (11) of sports, but I can see that my son is not as interested as I (12) to be. I can see that he would rather read or do something (13) like drama or art. I would love him to be a sportsman, but if that isn't (14) he wants, then I would rather he was happy. Kids should (15) their own interests and not be made to do what other people want them to do! | ||||
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