霍奇金恶性淋巴瘤有哪几种组织类型?
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What is language for? Some people seem to think it’s for practicing grammar rules and learning lists of words — the longer the lists, the better. That’s wrong. Language is for the exchange (交流) of ideas and information. It’s meaningless knowing all about a language if you can’t use it freely. Many students I have met know hundreds of grammar rules, but they can ’t speak correctly or fluently(流利地). They are afraid of making mistakes. One shouldn’t be afraid of making mistakes when speaking a foreign language. Native speakers make mistakes and break rules, too. Bernard Shaw once wrote, “Foreigners often speak English too correctly.” But the mistakes that native speakers make are differ
小题1:Language is used to ________.
A.express oneself
B.practice grammar rules
C.talk with foreigners only
D.learn lists of words小题2: Generally, when an American or an Englishman speaks English, he ______.
A.never makes mistakes
B.often makes mistakes
C.can’t avoid(避免)making mistakes
D.always makes mistakes小题3:“Foreigners often speak English too correctly.” The sentence means that ______.
A.foreigners speak correct English.
B.foreigners speak incorrect English.
C.foreigners speak English according to the grammar rules.
D.foreigners never make mistakes when they speak English.小题4:If too many native speakers break a rule, ______.
A.what they will become right
B.they are against the law
C.they should say sorry to others
D.they will become heroes小题5:When we speak a foreign language, we should _____.
A.speak in Chinese way
B.speak by the rules
C.speak to native speakers
D.not be afraid of making mistakes
试述术后腹胀的常见原因及治疗。
在关系数据库系统中,当关系的型改变时,用户程序也可以不变。这是
A.数据的物理独立性
B.数据的逻辑独立性
C.数据的位置独立性
D.数据的存储独立性
财务报告是反映行政单位一定时期财务状况和预算执行结果的总结性书面文件。
闭路循环水补充水泵的作用是保持系统()的恒定。
A.温度
B.流量
C.压力
D.液位