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搜题
【单选题】
He does such hard work only for the love of his family.A.
Only for the love of his family does he do such hard work.
B.
Only for the love of his family he does do such hard work.
C.
He does only for the love of his family do such hard work.
D.
He do such hard work only for the love of his family does.
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举一反三
【单选题】氨是应用较广的中温制冷剂，标准沸点为（），凝固点为（）。
A.
-33.3℃，-77.9℃
B.
33.3℃，-77.9℃
C.
33.3℃，-33.3℃
D.
-77.9℃，-33.3℃