1 . Above all, Hawking was willing to___________   _____________ __________(承认他的过错). (根据汉语提示完成句子)

2 . 下列句子中，每句都有一处错误。
增加：在缺词处加一个漏字符号(Λ)，并在其下面写出该加的词。
删除：把多余的词用斜线(﹨)划掉
修改：在错的词下划一横线，并在该词下面写出修改后的词。
1. Festivals and celebrations of all kinds have held everywhere since ancient times.
2. Today’s festivals have many origin, some religious, some seasonal, and some for special people or events.
3. The most energetic and important festivals are the ones that looks forward to the end of winter and to the coming of spring.
4. Some Western countries have very excited carnivals, which take place forty days before Easter, usually in February.
5. The country, is covered with cherry tree flowers, looks as though it is covered with pink snow.
6. Perhaps with a discount and a new sign he could win his customers.
7. They would become tired very quick.
8. Their balanced diets became such a success that before long Wang Peng became slim and Yong Hui put on more weight.
9. According to my research, neither your restaurant or mine offers a balanced diet.
10. He smiles as he welcomed some customers warmly at the door but the smile left her face when he saw Yong Hui walking in.

3 . 下列句子中，每句都有一处错误。
增加：在缺词处加一个漏字符号(Λ)，并在其下面写出该加的词。
删除：把多余的词用斜线(﹨)划掉
修改：在错的词下划一横线，并在该词下面写出修改后的词。
1. For several billion year after the “Big Bang”, the earth was still just a cloud of dust.
2. How it was to become was uncertain until between 4.5 and 3.8 billion years ago.
3. The earth became so violently that it was not clear whether the shape would last or not.
4. As a result of this, many scientists believe the earth may become too hot to live.
5. So whether life will continue on the earth for millions of years to come will depend on whether this problem can solve.
6. They are putting too much carbon dioxide into the atmosphere, which prevent heat from escaping from the earth.
7. Thus they have, in our turn, become the most important animals on the planet.
8. This produced a chain reaction, which made it possible for life develop.
9. That many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.
10. What is even more important is as the earth cooled down, water began to appear on its surface.