Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đầy đủ đáp án (Đề 6)

Scientists concluded from the experiment with chimpanzees and chocolate chips that chimpanzees . A. prefer to work in pairs or groups B. have difficulty selecting when given choices C. lac

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Scientists concluded from the experiment with chimpanzees and chocolate chips that chimpanzees __________.

prefer to work in pairs or groups

have difficulty selecting when given choices

lack abilities that other primates have

exhibit behavior that indicates certain mathematical abilities

Giải thích

Đáp án: D