Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đầy đủ đáp án (Đề 4)

Why is noise difficult to measure?       A. It causes hearing loss.    B. All people do not respond to it in the same way.       C. It is unwanted.     D. People become accustomed to it.

60/97

Why is noise difficult to measure?

It causes hearing loss.

All people do not respond to it in the same way.

It is unwanted.

People become accustomed to it.

Giải thích

Đáp án: B