用所给单词适当形式填空

1. People in Colombia are __________(relax) about time.

2. She __________(most) goes back home to see her parents on weekends.

3. They are used to __________(swim) in winter.

4. __________(be) on time is very important.

5. When you __________(invite) for 7: 00, you'd better make it a little earlier.

6. You're supposed to type quickly so the other person doesn't get __________(bore).

7. Don't be nervous just make yourself __________(feel) at home.

8. It's polite to keep quiet while __________(eat) noodles in China.

9. Thank you for __________(type) the words for me. It's helpful.

10. I'm __________(gradual) getting used to running for exercise.

下图为人体内体温与水平衡调节的示意图，有关叙述正确的是：（）

①当受到寒冷刺激时，a、b、c、d激素的分泌均会增加

②c、d激素分泌增多，可促进骨骼肌与内脏代谢活动增强，产热量增加

③下丘脑是感觉体温变化的主要中枢，是形成冷觉、热觉的部位

④寒冷刺激使下丘脑分泌促甲状腺激素释放激素，通过促进甲状腺的活动来调节体温

⑤图中的e激素是由下丘脑神经内分泌细胞产生的

⑥由图可知人体对体温与水平衡的调节主要是体液调节的结果

A.①②③

B.②④⑤

C.①②⑤

D.③④⑥