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

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

A．much

B．more

C．less

D．little

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

Before starting an air compressor, It should be _____.A.unloadedB.primedC.filled with wate

答案解析
A（n) ______ is a destructive program that fills a computer system with self－replicating in

答案解析
Charging is the filling of the engine cylinder with a supply or charge of fresh air _____

答案解析
In a（n)______ universe filled with stars, every line of sight should eventually meet the s

答案解析
It can be learned from the passage that Internet history has______.A．been filled with wars

答案解析
Researchers discovered that plants______with a virus give off a gas that activates disease

答案解析
When you fill in the application form please use your _______ address so that we can cont

答案解析