下列抗精神病药物中，哪个无锥体外系反应（） A.氯丙嗪 B.氯普噻吨 C.三氟拉嗪

阅读表达。

     (1) Da Shan, a Canadian, is perhaps China's most famous foreigner. He speaks Chinese well. He was

 born in 1965. He (2) started to learn Chinese when he studied at Toronto University. In order to remember

more Chinese words, (3) wrote,he, them,often, on, cards, down, small. But he would only memorize words

 he met with while reading, listening or talking in the following two weeks. "There's no use learning words

that don't appear often," he said. "And the best way to learn a foreign language is to keep using it and

understand the culture behind it, Or you'll forget everything quickly." Da Shan says it is important to get into

the language environment. (4) 与中国朋友交谈has helped him learn not only the words, but also the country

and its people.

1. 请将(1)处的句子翻译成汉语。

    ______________________________________.

2. 请用适当的词替换(2)处的单词。

    ______________________________________.

3. 将(3)的单词组合成一个完整的句子。

    ______________________________________.

4. 将(4)处的短语译成英语。

    ______________________________________.

5. 请回答下面的问题：

    What does Da Shan think is the best way to learn a foreign language? 

    ______________________________________.

吃自助餐时应注意什么礼仪？

试述寒证、热证的鉴别要点。

患者男，36岁，三个月前因外伤一上前牙脱落。口腔检查：左上1缺失，间隙正常，牙槽嵴无明显吸收。右上1缺失，间隙正常，牙槽嵴无明显吸收。右上1牙冠1/2缺损，已露髓，探稍敏感，叩诊阴性，无松动。左上前牙牙龈轻度红肿，易出血，可见菌斑及牙石。余牙未见异常。右上1设计桩核比设计普通桩冠的优点，除了（）。

A．易取得固定桥共同就位道

B．固位体边缘密合好

C．固定桥损坏后易修改

D．固定桥的固位好

E．右上1牙根应力分布较好

下面哪个选项不是基站发射机性能测试内容（）

A.射频发射频率偏差

B.最大发射功率

C.灵敏度测试

D.功率包络