您的位置: 首页 > 作业答案 > 其他 > up to 的用法GM foods are especially popular in the U.S,where ___ two thirds of the food products in supermarkets could contain GM crops.A.as high as B.up toC.so much as D.as far as为什么?以及不选其他选项的理由?

up to 的用法GM foods are especially popular in the U.S,where ___ two thirds of the food products in supermarkets could contain GM crops.A.as high as B.up toC.so much as D.as far as为什么?以及不选其他选项的理由?

分类: 作业答案 • 2022-07-05 19:41:08

问题描述：

up to 的用法
GM foods are especially popular in the U.S,where ___ two thirds of the food products in supermarkets could contain GM crops.
A.as high as B.up to
C.so much as D.as far as
为什么?以及不选其他选项的理由?

答

定语从句，ABC都是连词，不可用

答

up to 是高达多少, 这里是高达三分之二的食物
而as-----as 是比较级, 这里没有比较,只是说了美国的转基因食品数量

up to 的用法GM foods are especially popular in the U.S,where ___ two thirds of the food products in supermarkets could contain GM crops.A.as high as B.up toC.so much as D.as far as为什么?以及不选其他选项的理由?

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