问题
选择题
The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxygen
A．to
B．on
C．in
D．for
答案
答案：D
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The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxygen
A．to
B．on
C．in
D．for
答案：D