When filled with a gas______ lighter than air, a balloon becomes buoyant and ris

游客2025-03-20 8

问题 When filled with a gas______ lighter than air, a balloon becomes buoyant and rises.

选项 A、much
B、more
C、less
D、little

答案 A

解析本题考查形容词比较级的用法，lighter本身已经是比较级的形式，修饰它的词只能是much或little，据题意，much合适。题意为，当充人比空气轻得多的一种气体时，气球变成能浮动的并且上升。

转载请注明原文地址:https://tihaiku.com/zcyy/4005143.html

相关试题推荐

随机试题

最新回复(0)

Thesunmustbemadeoflighterstuffthantheearth.Iftheearthwere______,i