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This substance reacts______that one.A、three times as fast asB、as three times fa
This substance reacts______that one.A、three times as fast asB、as three times fa
游客
2024-07-04
1
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问题
This substance reacts______that one.
选项
A、three times as fast as
B、as three times fast as
C、as fast as three times
D、three times as fast as
答案
A
解析
倍数表示法通常有三种:1)X times + as形容词或副词原级+as如:This substance reacts three times as fast as that one. 这种物质的反应速度是那种物质的三倍。2)X times+形容词或副词的比较级+than如:The car runs twenty percent faster than the motor. 小汽车比摩托车快20%。3)X times + the width(length,breadth,level,value,velocity) of如:The lake is twice the width of that river. 这个湖的宽度是那个湖的2倍。本题答案符合第一种表达法。
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