单选题High-speedtrainstravelat300kilomete
答案:2 悬赏:20 手机版
解决时间 2021-04-09 18:59
- 提问者网友:我没有何以琛的痴心不悔
- 2021-04-09 08:27
单选题
High-speed trains travel at 300 kilometers an hour,which is about normal trains.A.four times the speed asB.the speed four times ofC.four times as the speed ofD.four times the speed of
最佳答案
- 五星知识达人网友:平生事
- 2021-04-09 09:05
D解析考查倍数的表达方式。 倍数表达方式有 A is three times as big as B / A is three times the size of B/ A is twice bigger than B/ A is three times what B is. 参照句式可知D正确。
全部回答
- 1楼网友:不如潦草
- 2021-04-09 10:08
这下我知道了
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