Many lifestyle patterns do such ________great harm to health that they actually speed up ________weakening of the human body.
A．a; / B．/; the C．a; the D．/; /
Many lifestyle patterns do such ________great harm to health that they actually speed up ________weakening of the human body.
A．a; / B．/; the C．a; the D．/; /
B 考查冠词的用法。句意：许多生活方式对人类的健康有害，它们加速了人类身体的衰弱。“对……有害”用短语“do harm to”表示，中间无需加冠词；之后的weakening是动词的ing形式表示抽象的概念，需要加上the。