[单项选择]The exponent of the concept "communicative competence" is________.


A. Hymes
B. Chomsky
C. Halliday
D. Labov

[单项选择]In order to compete with overseas students, American children will probably have to______.


A. learn to work with diverse groups
B. master more practical skills
C. have broader knowledge
D. strengthen the ability of innovation

[单项选择]The concept of personal choice concerning health is important because ______.


A. personal health choices help cure most illnesses
B. it helps raise the level of our medical knowledge
C. it is essential to personal freedom in American society
D. wrong decisions could lead to poor health

[单项选择]How did Jefferson interpret the concept of equality


A. He asserted that it was a political concepts as well as a biological and economic concept.
B. He believed that men were born with equal rights.
C. Equality is a gift of Nature.
D. Both B and C

[单项选择]

The market is a concept. If you are growing vegetables in your backyard for sale you are producing for the market. You might sell some to your neighbor and some to the manager of the local supermarket. But in either case, you are producing for the market.
Your efforts are being directed by the market. If people stop buying vegetables, you will stop producing them.
If you take care of a baby to earn money, you are producing for the market. If your father is a steelworker or a truck driver or a doctor or a grocer, he is producing goods or service for the market.
When you spend your income, you are buying things from the market. You may spend money in supermarkets, department stores, and restaurants. Still you are buying from the market. When the local grocer hires you to drive the delivery truck, he is buying your labor in the labor market.
The market may seem to be something abstract. But for each person or business who is making and selling
A. Selling and Buying.
B. What Is the Market.
C. Everything You Do Is Producing for the Market.
D. What the Market Can Do for You.