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- 1下面的词语有一个错别字,把他找出来并改正
- 2That young girl is not the one ___she used to be.
- 3一块重200N的木板底面积0.5平方米,对水平地面压强多大?
- 4若在一幅比例尺是1:40000000的地图上,北京和上海相距3.5cm,则北京与上海的实际距离是多少千米呢?
- 5_平方厘米=1500平方分米=_平方米.
- 6You must stop if the traffic light___(be)red. Don
- 7where are theyrunning ?和where are they walking?中文的表达是?
- 8如果单项式的字母因数是a三次方b平方c,且a=1,b=2,c=3时,这个单项式的值为4,求这个单项式.
- 9在标准状况下0.1mol金属与1.68l的氧气完全反应,金属的化合价
- 10There is going to be a guitar ( ) in our school next week .填competion还是concert?