(2013·新課標(biāo)全國卷Ⅰ)Try not to cough more than you can ________ since it may cause problems to your lungs.
A．check B．a(chǎn)llowC．stopD．help
D
選D　考查動詞辨析。句意：盡量不要過多咳嗽，因?yàn)榭人赃^多可能引發(fā)你的肺部問題。not more than one can help意為“能少盡量少”，符合句意。
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