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问题 单项选择题

患者，男，69岁。听力下降，耳鸣如蝉，时作时止，遇劳则剧，按之减轻，伴腰膝酸软，乏力，舌淡红，脉虚细。治疗除主穴外，还应选用的配穴是（）

A.肾俞、气海

B.肝俞、太冲

C.脾俞、足三里

D.心俞、神门

E.肺俞、命门

答案

参考答案：A

完形填空

If you have decided to study abroad, you might be looking for effective ways to prepare your language skills before you depart. Some students attend ESL (English as a Second Language) classes at local schools while others practice with   1  conversational partner. However, for those in situations   2  these two options are not available, studying ESL online might be the next alternative.

During the past decade, many websites have sprung up on the Internet,   3  (provide) ESL activities to help people practice the major language skills  4  grammar, reading, and vocabulary. Perhaps the  5  (great) interests for students are websites that focus on listening and speaking skills. In the past, listening to audio online was a very slow process, but since high-speed connections appeared, things  6  (change) greatly. A simple Internet search using the term “ESL” will bring up thousands of relevant websites out there, but not all the sites are the same. 7  you want to find a site that is suitable for you, you should look among those that combine good contents with a user-friendly interface and style.

Finally, no matter which site you end up visiting, you should set some goals  8  your study.   9  might include the number of vocabulary you want to learn, specific grammar structures you want to review,  10  even how many minutes you want to read aloud from a newspaper in English.
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选择题

下列哪一项不属于植物体的结构层次？（　　）

A．组织

B．器官

C．系统

D．细胞
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