Which of the following can best sum up the text？
A. The trend towards e-mail marketing must be stopped.
B. E-mail marketing has changed a lot since it first began a decade ago.
C. E-mail marketing is unproductive when used incorrectly.
D. E-mail marketing messages must be managed wisely.
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第2日患者出现胸闷、大汗、面色苍白，体检心率130次/分，律齐，血压80／50mmHg，双肺满布中小水泡音。此时不宜用
A. 主动脉内气囊反搏术
B. 利尿剂
C. 静滴多巴胺
D. 静滴多巴酚丁胺
E. 皮下注射低分子肝素
最常用的治疗方法是
A. 手术
B. 制酸治疗
C. 抗生素治疗
D. 铋剂
E. 联合治疗
男性，10岁，发热10天，体温波动于38～39℃之间，刺激性咳嗽明显，胸痛。查体：双肺散在干哕音，胸片：左肺下野淡薄片状阴影。
以下诊断最可能的是
A. 腺病毒肺炎
B. 呼吸道合胞病毒肺炎
C. 肺炎支原体肺炎
D. 金黄色葡萄球菌肺炎
E. 肺炎链球菌肺炎
In order to market responsibly, the author suggests that businesses______.
A. obtain permission first
B. cut down on the number of e-mails
C. only send e-mail to existing customers
D. do not use advertisements through e-mail
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