Question

7．我們要保護環(huán)境，讓它不受到污染．
We shouldprotect our environmentfrom pollution．

Answer 1

分析 protect from．

解答 答案：protect from．這里是說保護…不受傷害，用protect  sb/sth from…，后加名詞代詞或者動名詞，這里前面有情態(tài)動詞should，后加動詞原形，故答案是protect from．

點評 protect …from sth．（保護）使…免于=protect…against doing 防御
prevent …from doing sth．阻止（防御）…做…=stop sb from doing 阻止…做…
We wear sunglasses to protect our eyes from the sun．
=We wear sunglasses to prevent the sun from harming our eyes．
The sheep protected its young against being attacked by the dog．
=The sheep prevented the dog from attacking its young．
The children were stopped from going home．