有氧耐力是耐力素质的主要方面,发展有氧耐力是提高心肺功能水平。
参考答案:对
补全对话,每空一词。
A: Good morning.
B: Good morning. What are you 1 now?
A: I'm 2
B: Running? What's 3 with your bike?
A: It's 4 . Could you mend it?
B: Yes, I can. But now let's 5 games.
A: OK. What 6 a frisbee (飞盘) ?
B: Good. Can you 7 it?
A: Yes, I can. Throw it 8 this.
B: No, you are 9 . Do it like this.
A: I know. It's very 10 .
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
石决明的药用部分是()。
A.全草
B.贝壳
C.树脂
D.孢子
E.种子