A large______of the sunlight never reaches the earth while infra-red heat given

游客2025-04-03 38

问题 A large______of the sunlight never reaches the earth while infra-red heat given off by the earth is allowed to escape freely.

选项 A、proportion
B、ratio
C、rate
D、fraction

答案 A

解析本题考查句意和词组。a large proportion of“一大部分”；in a ratio of“以……的比例”；at a rate of“以……的速度”；a fraction of“一小部分”。

转载请注明原文地址:https://www.tihaiku.com/zcyy/4024354.html

相关试题推荐

随机试题

最新回复(0)

Thecomputerdoesn’t______humanthought;itreachesthesameendsbydifferentm