Questions 19 to 22 are based on the conversation you have just heard.
A. She’s studying in the flat.
B. She’s watching TV in the flat.
C. She’s tidying her flat.
D. She’s doing nothing.
查看答案
骨骼肌细胞兴奋-收缩耦联的结构基础是______。
眼内光学介质包括角膜、房水、晶状体和______。
Passage Two Questions 30 to 32 are based on the passage you have just heard.
A. The course material. B. Others’ misuse of technology.
B. C. Discussion topics. D. The teacher’s class rule.