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问题: 英语

The schools in shanghai are not different from__
A those in Beijing B that of Beijing
C Beijing D Beijing's students.

___of the surface of the earth___covered with water.
A Seventy percent;are B Seventy percent;is
C Seventy percents;are D Seventy percents;is
请写请理由

解答:

1) A 比较得成分要相同 those 对等得是 schools in beijing 对等的是 shanghai

2) B 百分之七十 是一个数量。数量上不论多少把它当成单数看。如 200 kilometers is not a short distance ,