Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 9)

We can have problems when touching electrical devices with wet hands because ________. A. the eater itself is a good conductor of electricity B. the water dissolves the salt on our skin and b

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We can have problems when touching electrical devices with wet hands because ________.

the eater itself is a good conductor of electricity

the water dissolves the salt on our skin and becomes more conductive

the water contains too many neutral molecules

the water containing no charged particles makes it more conductive

Giải thích

Chọn B