What chemical is this? It's _ a horrible smell. giving over giving off

7/50

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

What chemical is this? It's __________ a horrible smell.

giving over

giving off

giving down

giving up

Giải thích

Đáp án B.

Tạm dịch: Đây là chất hóa học gì? Nó tỏa ra mùi khó ngửi thật.

- to give off: thải ra, phát ra (khí, ánh sáng...)

- to give up: từ bỏ