考前默写

2.It's not just study that's difficult.

3.You have to get used to a whole new way of life, which can take up all your concentration in the beginning,\" explained Xie Lei, who

had lived all her life in the same city in China.

4.Also, when I miss my family, it's a great comfort to have a substitute family to be with.\"

5.In the high plains area is Lake Titicaca, the highest lake in the

world, on which boats can travel.

Unit 1

1. It also has the distinction of being the most multicultural state in the USA, having attracted people from all over the world.

2. However, it is likely that Native Americans were living in California at least fifteen thousand years ago.

3. Scientists believe that these settlers crossed the Bering Strait in the Arctic to America by means of a land bridge which existed in prehistoric times. 4．Two centuries later, the Spanish had settled in most parts of South America and along the northwest coast of what we now call the United States.

5. Of the first Spanish to go to California, the majority were religious men, whose ministry was to teach the Catholic religion to the Natives.

6. In 1911 immigrants from Denmark established a town of their own, which today

still keeps up their Danish culture. 7. People from different parts of the world, attracted by the climate and the lifestyle, still immigrate to California.

8. It is believed that before long the mix of

nationalities will be so great that there will be no distinct major racial or cultural groups, but simply a mixture of many races and cultures.

10.It didn’t occur to me that that he might be in trouble. 11. There’s a

fascinating drive marked out for tourists.

Unit 2

2. Cloning plants is straightforward while cloning animals is very complicated.

2. . At last the determination and

patience of the scientists paid off in 1996 with a breakthrough--- the cloning of Dolly the sheep.

4. Then came the disturbing news that Dolly had become seriously ill. Cloning scientists were cast down to find that Dolly’s

illnesses were more appropriate to a much older animal.

5. Dolly’s

appearance raised a storm of objections and had a great impact on the media and public imagination. 6. Governments became nervous and more conservative.

Some began to reform their legal systems and forbade research into human cloning.

7. Dolly’s death, like her birth, was bound to raise worries.

8. Scientists still wonder whether cloning will help or harm us and where it is leading us.

9. The initial requirement is that you need perfect DNA which gives information for how cells are to grow.

10. The popularity

of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a

mixture of fear and excitement into people’s hearts.