单项选择题 ZYBAN Tablets (药片)1 ZYBAN is a prescription (处方) medicine to help people quit smoking. Studies have shown that more than one third of people quit smoking for at least one month while taking ZYBAN. For many patients, ZYBAN reduces withdrawal symptoms (脱瘾过程中产生的症状) and the strong wish to smokE.2 ZYBAN should be taken as directed by your doctor. The usual recommended dosing(剂量) is to take one 150-mg tablet in the morning for the first 3 days. On the fourth day, begin taking one 150-mg tablet in the morning and one 150-mg tablet in the early evening. Doses should be taken at least 8 hours apart.3 For most patients, treatment will last 7 to 12 weeks. Because results vary, it may take longer for some people, possibly up to 6 months depending on the individual. If you've been smoking for a long time, ZYBAN will help to reduce withdrawal symptoms. It's important to remain on ZYBAN for at least 7 to 12 weeks in order to quit for gooD.Your doctor should determine when to stop taking ZYBAN.4 It takes about 1 week for ZYBAN to reach the right levels in your body to be effectivE.So, to increase your chance of quitting as much as possible, you should not stop smoking until you have been taking ZYBAN for 1 week. You should set a date to stop smoking during the second week you're taking ZYBAN.5 The side effects (副作用) associated with ZYBAN are generally mild and often disappear after a few weeks. The most common side effects are dry mouth and difficulty in sleeping. If you have difficulty sleeping, avoid taking your medicine too close to bedtimE.第 23 题 Paragraph 2________

单项选择题 在下列各句中的横线处依次填人词语，最恰当的一组是（　　）。 ①这里曾一度泥石流，致使公路堵塞，桥梁冲垮，交通瘫痪。 ②车尔尼雪夫斯基对托尔斯泰表现人物心理变化的艺术特色极为称道。 依次填入划横线部分最恰当的一项是（　　）。

单项选择题 中国人的历史知识，多半儿是从“讲史”中得来，有本事、有耐心抱着二十四史读下来的， 。 填人划横线部分最恰当的一项是（　　）。