题干
We wear sunglasses to protect our eyes _____________ the sun.
A：of
B：at
C：for
D：from
答案(点此获取答案解析）
D
We wear sunglasses to protect our eyes _____________ the sun.
A：of
B：at
C：for
D：from
的数值能表示可燃物燃烧热的是（ ）