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. The space lab　　5　(weigh)
23,000 kg and is 17.9 metres tall. It is the　　6　(big) spacecraft in our country　　7　　now.
“　8　　we want to land on and explore Mars, food brought 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 researcher　10　　the Chinese Academy of Sciences.
1. ______________　2. ______________　3. ______________　4. ______________　5. ______________
6. ______________　7. ______________　8. ______________　9. ______________　10. ______________

三、1. first 2. to produce 3. begins 4. into 5. weighs
6. biggest 7. until/till 8. If 9. to stay 10. at