Do remember to be . We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.
A. cautious
B. thoughtful
C. considerate
D. curious
网友回答
A. cautious
B. thoughtful
(答案→)C. considerate
D. curious
解析：形容词辨析。A谨慎的；B深思熟虑的；B考虑周到的；慎重的；D好奇的；句意：务必要记住要慎重。当我们做危险的化学实验的时候，我们必须避免任何可能的危险。根据句意说明C正确。