卡特尔提出的根源特质有几个？（） A.4 B.8 C.16 D.20

There are about 5,000 different languages. Nearly 900 languages are spoken in India.   小题1:  .

Chinese is the language spoken by the most number of people in the world. But the most widely spoken language in the world is English. 330，000，000 people speak English as the first language.

 小题2:   as a foreign language. Travelers and business people all over the world use English. And two thirds of the world’s scientists read in English. About 200 million users of the Internet communicate in English, too. It is one of the most important  language in the world.  小题3:    .

How many words are there in the English language? There are about 490,000. Also, there are about 300,000 words used in science. There are more words in English than in any other language. But most people use no more than 60,000 words.

It’s true that English is changing with the development of the world. Since the 1990s, English learning has been very popular with Chinese people. Many of them have done well in English and have made great progress. 

Now,   小题4:  and the study of English is regarded as a very important industry in China as well as in the rest of the world. Children leaving school at the age of 16 know about 15,000 words.

石的泥块含量是指砂中公称粒径大于（）mm，经水洗、手捏后变成小于2.50mm的颗粒的含量。

A.5.00

B.2.50

C.1.25

D.0.630

产生谨慎动机的原因是（）。

A．分散风险

B．抓住有利投资机会

C．未来收入和支出的不确定性

D．收入和支出在时间上不同步

男性，35岁。刀刺伤右臀部后出现右下肢运动与感觉异常。首先要考虑损伤了（）

A.坐骨神经

B.胫神经

C.腓总神经

D.臀大肌

E.臀部肌群

卫生行政机关对患有流行性传染病的人采取强制隔离和治疗的行为属于：

A．行政强制

B．行政处罚

C．行政处分

D．违法行为