6 . The self-portrait is nothing new. Painters and photographers have always used _________(they) as subjects. Today, however, almost everyone walks around with a camera in his or her pocket. This is________ most cellphones have cameras on them. (所给词的适当形式填空)

7 . As I grew up in the UK, the Chinese food I was used to eating was _________ I now recognize as Guangdong food because most Chinese immigrants to the UK came from Gugangdong. (用适当的词填空)

8 . A shark that walks in water instead of swimming might sound like a creature straight out of a science fiction film. However, that is exactly _________ four new species of sharks move across the seafloor. (用适当的词填空)

9 . 单句改错
1. I think that accepting failure is that we need to do first before we succeed eventually.
2. We should be grateful to them in return for which they have done for us.
3. The father and his son all shook my hand and thanked me again and again.
4. People of all ages happily walk along the pavement with their attention focused on the mobile phones, quite unaware of that is going on around them.
5. I miss you very much and thus I’m writing to tell you anything about my new life at college.
6. From that I understand, people are destroying thousands of square kilometers of trees every day.
7. My uncle gave my cousins and me some wine and said,“Now enjoy yourself, but don’t get drunk! ”