The scientific evidence does not (62) us to say with certainly that mobile phones are categorically (63). A. risky    B. secure    C. unhealthy  D. safe

The scientific evidence does not (62) _______ us to say with certainly that mobile phones are categorically (63) _______.
A. risky
B. secure
C. unhealthy
D. safe

Trả lời
Đáp án: D

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