2018--2019学年人教版必修一Unit 2 English around the world Learning about language课时作业(1)
2018--2019学年人教版必修一Unit 2 English around the world Learning about language课时作业(1)第2页

 Why is pink or purple a color for girls and blue or brown for boys?

The answer depends largely on cultural values as well as personal experiences. To the Egyptians, green was a color that represented the hope and joy of spring, while for Muslims, it means heaven. Red is a symbol of good luck in many cultures. In China, children are given money in a red envelope to bring good fortune in the New Year. For many nations, blue is a symbol of protection and religious beliefs. Greek people often wear a blue necklace hoping to protect themselves against evils (灾祸).

People's choice of colors is also influenced by their bodies' reactions (反应) toward them. Green is said to be the most restful color. It has the ability to reduce pain and relax people both mentally and physically. People who work in green environment have been found to have fewer stomachaches.

Red can cause a person's blood pressure to rise and increase people's appetites (食欲). Many decorators will include different shades of red in the restaurant. Similarly, many commercial websites will have a red "Buy Now" button because red is a color that easily catches a person's eye.

Blue is another calming color. Unlike red, blue can cause people to lose appetite. So if you want to eat less, some suggest that eating from blue plates can help.

The next time you are deciding on what to wear or what color to decorate your room, think about the color carefully.

5. Muslims regard green as a symbol of heaven mainly because of their .

A. commercial purposes B. personal experiences

C. cultural values D. physical reactions to the color

6.Why will many commercial websites have a red "Buy Now" button?

A. To encourage people to buy the goods.

B. To increase people's appetites.

C. To relax people physically.

D. To cause a person's blood pressure to rise.

7. What color might help lose weight according to the text?

A. Red B. Blue. C. Purple D. Green.

 C

What do you usually do when a flying insect lands on your arm? You may blow it away. But what if that insect is a ladybug (瓢虫)? It is possible that you would let it stay. What is it about ladybugs that we like?

Farmers once thought ladybugs were a good lucky sign. A ladybug in the field meant the crops would be successful and that the weather would be good. The farmers may have thought too highly of such a small bug, but in fact ladybugs do help out with the crops. They eat harmful insects.

Actually, it is not the adult ladybug that eats other insects. It's the baby ladybug. When the