It was found that the Pfitzer vaccine was more than 90 percent effective in preventing the disease.

Which of the following best restates each of the given sentences?

It was found that the Pfitzer vaccine was more than 90 percent effective in preventing the disease.

A. Pfitzer found to be very effective in curing the disease.

B. The discovery that the Pfitzer vaccine was more than 90 percent effecting is amazing.

C. The Pfitzer vaccine was discovered to be over 90 percent effective in the disease prevention.

D. Scientists has discovered the effectiveness of Pfitzer vaccine in the disease prevention.

Trả lời

Detect key words (found, Pfitzer vaccine, more, 90 percent, effective, preventing, dis- ease), tense (past simple), structure (passive).

Ta loại A và D vì thiếu dữ liệu “90 percent”.

Ta loại câu B vì dư yếu tố đánh giá “amazing”.

Ta chọn C vì đủ các dữ liệu theo câu đề, “discovered” gần nghĩa với “found” và “disease prevention” là diễn giải ngắn gọn của “preventing the disease”.

Chọn C

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