×
来源：网络资源 2024-08-28 23:52:27
From Jun. 17th to Sept. 17th in 2021, three Chinese astronauts stayed in space for three months.
You may wonder how they kept healthy there. 1
Just as you can imagine,to keep healthy in space is not as easy as that on earth. During the three months in space, hey had to do exercise,eat healthy food and have physical examinations regularly.
In Tianhe's exercise area,there is equipment for the three astronauts to do exercise. 2 For example,when they got into space at first,they did moderate-intensity(中等强度的）exercise every day, which required about 60 to 80percent of the astronauts' maximum(最大的) strength.And the intensity gradually increased as their time in space progressed. 3 There was also a device(装置) for the three astronauts to use to keep their muscles in a good condition.Experts on the ground could adjust the device according to their condition.
4 The astronauts had physical examinations every four to five weeks, including ultrasound(超声）examinations and complete blood counts(全血细胞计数）.
5 They could choose from more than 120 kinds of high-quality and delicious space food. including staple foods（主食），meat and vegetables.
Through the above-mentioned methods, the three astronauts stayed healthy and completed all the tasks successfully in space.
根据短文内容，从所给的选项中选出能填入空白处的最佳选项。选项中有两项为多余项。
A. Here are some facts for you.
B. Travelling can be hard on the body.
C. A healthy diet was also designed for the astronauts.
D. Spending too much time in space may cause health problems.
E. They did daily exercise according to their physical condition.
F.Only in this way could they get used to the environment in space.
G. There are some pieces of medical equipment available in the spaceship.
1._________ 2._________ 3._________ 4._________ 5._________
编辑推荐：
欢迎使用手机、平板等移动设备访问中考网，2025中考一路陪伴同行！>>点击查看
