(三)含有定语从句的复合句与简单句之间的转换
11. Do you know the man who is holding a book in his hand?
Do you know the man ?
12. The girl who wears a red skirt is my sister.
The girl is my sister.
13. I prefer to stay in a hotel which has a sea view.
I prefer to stay in a hotel .
14. The men who carry air tanks on their backs are astronauts.
The men are astronauts.
15. My English teacher is that young lady who has long straight hair.
That young lady is my English teacher.

11. with a book in his hand
12. in a red skirt
13. with a sea view
14. with air tanks on their backs
15. with long straight hair

三、阅读短文，在文中空白处填入1个适当的单词，或用括号内所给单词的正确形式填空。
Space Station Rice Tests Show Hope
Chinese astronauts have successfully grown rice seedlings on the Tiangong space station.

The rice experiment being done on Tiangong is the 1 (one) of its kind. Its purpose is 2 (produce) the complete life cycle of the plant. The cycle 3 (begin) with a seed and ends with a mature plant producing new seeds.
China sent the Wentian space lab 4 space on 24th July, 2022. 5 space lab weighs about 23,000 kg and is 17.9 6 (metre) tall.
"If we want to land on 7 explore Mars, food 8 (bring) from the earth is not enough for the astronauts' long journey in space. We have to find methods 9 (stay) away from hunger during the space explorations," said Zheng Huiqiong, a 10 (research) at the Chinese Academy of Sciences.
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. first 2. to produce 3. begins 4. into 5. The 6. metres 7. and 8. brought 9. to stay 10. researcher