The children cheered up when they saw hundreds of colorful ballons _______ slowly into the sky.

问题描述:

The children cheered up when they saw hundreds of colorful ballons _______ slowly into the sky.
A) floating B) raising C) heaving D) ascending
For many patients,institutional care is the most _______ and beneficial form of care.
A) persistent B) appropriate C) thoughtful D) sufficient

1,B raising 升起
A 是在水利浮起
C 举起
D 一般指排列顺序-升序.与 descending相对
2,B 适合的
A 坚持的,持久的
C 体贴的,深思的
D 充足的,足够的