下列各项措施中，属于历史文化名城保护规划重点的有( )。 A．保护文物古迹、风景名

内环境稳态是指

A．细胞外液的理化性质相对恒定

B．细胞内液的化学成分相对恒定

C．细胞外液的化学成分保持不变

D．细胞外液的理化性质保持不变

E．细胞内液的理化性质保持不变

用所给词的适当形式填空。

1. I hear you _____ (go) to Tibet for working next year. Can I go with you?

2. She was _____ (interest) in the places of _____ (interest) in China.

3. It _____ (take) me half an hour _____ (take) the photos last vacation.

4. I planned _____ (take) walks with his lovely dog after supper.

5. On the morning of my birthday. I can't wait _____ (open) the presents.

6.  _____ (sleep) a lot is good for your health.

7. I can't stand _____ (go) camping or _____ (hike) alone. It's too dangerous.

8. I _____ (be) a professional doctor after graduation from college.

9. How often _____ your parents _____ (exercise) on weekends?

10. Hurry up! Your sister _____ (wait) for you to go surfing.

萎缩性鼻炎鼻腔检查可见()

A．鼻粘膜呈苍白色，明显水肿

B．粘膜肥厚，暗红色，表面不平，呈桑椹状，鼻甲骨肥大

C．粘膜肿胀，暗红色，表面光滑

D．鼻粘膜干燥，鼻腔宽大，鼻甲缩小，有大量灰绿色脓痂，有恶臭

E．鼻和鼻道内多脓涕，豆腐渣样物堆积，有恶臭

根据《支付结算办法》的规定，签发票据时，可以更改的项目是( )。

A．出票日期
B．收款人名称
C．用途
D．票据金额

研磨圆柱孔时，应将工件夹在车床的卡盘上，把研磨棒放在孔内进行研磨。