[单项选择]

The market is a concept. If you are growing tomatoes 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 tomatoes, you will stop producing them.
If you take care of a sick person to earn money, you are producing for the market. (36) 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 stores, supermarkets, gas stations 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 businessman who is making and sel
A. serious
B. important
C. true
D. concrete

[单项选择]

The market is a concept. If you are growing tomatoes 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 tomatoes, you will stop producing them.
If you take care of a sick person to earn money, you are producing for the market. If your father is a steel worker 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 stores, supermarkets, gas stations, 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 somethin
A. production is very important
B. selling a thing is a business
C. there are markets everywhere
D. the market is a practical thing

[单项选择]The market is a concept (概念). If you are growing tomatoes for sale, you are producing for the market. You might sell some to your neighbors and some to the manager of the supermarket. But in either case, you are producing for the market. If people stop buying tomatoes, you will stop producing them.
If you take care of a sick person to get money, you are producing for the market. If your father is a worker or a driver or a doctor, 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 shops, supermarkets, gas stations and restaurants. Still you are buying from the market. When the boss hires you to drive a truck, he is buying your labor in the market. The market may seem to be something abstract (抽象). However, it’s very concrete to each person who is making and selling something. It’s telling if nobody buys your tomatoes, it won’t be long before you get the information. It’s telling you that yo
A. possible
B. impossible
C. almost the same as abstract
D. the opposite of abstract