For environmental safety, we need to find ways to reduce emission

Câu hỏi :

For environmental safety, we need to find ways to reduce emission of fumes and smoke of factories.

A. Subsequent to their performance at the elimination tournament, they were afraid to win the trophy excellently.

B. Were it not for their excellent performance at the elimination tournament, they wouldn't have won the trophy.

C. Despite their excellent performance at the elimination tournament, they didn't win the trophy.

D. Because they didn't win the trophy, their performance at the elimination tournament was however excellent. 

A. not so many as

A. what

A. The boy who lost several of his fingers because of firecrackers is being operating on.

B. The boy whom the doctors are operating on him lost several of his fingers because of firecrackers.

C. The boy was whom the doctors are operating on him lost several of his fingers because of firecrackers.

D. The doctors are operating on the boy who lost several of his fingers because of firecrackers. 

A. digests

* Đáp án

* Hướng dẫn giải

Chọn đáp án B.

Kiến thức: Từ vựng

Xét các đáp án:

A. leak (n): khe hở B. release (n): sự thải ra

C. poison (n): chất độcD. pollutant (n): chất ô nhiễm 

• Emission (n): sự phát ra, sự tỏa ra 

• Emmission = release

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