The word “it” in line 7 refers to which of the following? A. A radar set B. A short burst C. A radiation wave D. Light

Câu hỏi:

The word “it” in line 7 refers to which of the following?

A. A radar set

B. A short burst

C. A radiation wave

D. Light

Trả lời:

Lời giải:

5. Thông tin: Radar sends out a short burst of radio waves. Then it receives the echoes produced when the waves bounce off the objects.

Đáp án: D

Câu 1:

Find the mistake and correct

Even if rural areas are winning or losing from increased trade, however, remains uncertain.

Câu 2:

Indicate the word(s) OPPOSITE in meaning to the underlined word(s)

This restaurant was highly recommended for good service, delicious food and kind- hearted boss.

Câu 3:

Thousands of steel ___ were used as the framework of the new offical block.

Câu 4:

_____________ did Jane accept the job.

Câu 5:

Which type of waves does radar use?

Câu 6:

What might be inferred about radar?

Câu 7:

Would you like some cookies? I have just baked them.

Câu 8:

- Linh: Would you mind moving your suitcase? - Ngoc: _________.

600 Bài tập trắc nghiệm Tiếng Anh 12 mới