A.How animals deal with lack of gravity.B. How mice interact in a new environment.C.How low gravity affects the human body.D.How mice imitate human behavior in space.(2) (单选题)23

Passage 3Questions 22 to 25 are based on the passage you have just heard.(1) (单选题)22. A.How animals deal with lack of gravity.B. How mice interact in a new environment.C.How low gravity affects the human body.D.How mice imitate human behavior in space.(2) (单选题)23A. They found the space in the cage too small to stay in.B.They found it difficult to figure out where they were.C.They were not used to the low-gravity environment.D.They were not sensitive to the changed environment.(3) (单选题)24A.They continued to behave as they did in the beginning.B.They already felt at home in the new environment.C.They had found a lot more activities to engage in.D.They tried everything possible to escape from the cage. (4) (单选题)25A.They changed their routines in space. 　　 B.They began to eat less after some time.C.They behaved as if they were on Earth.D.They repeated their activities every day.