饭店控制客房状况的目的是使饭店最大限度地获得（）。

用所给单词的适当形式填空。

1. We hope you can give up _____ (smoke). It is bad for your health.

2. He'll be OK if I do one small ____ (operate) on him.

3. Our _____ (agree) was that you would pay for our bill by the end of the month.

4. Paul is older than me. He is my ____ (old) brother.

5. We should fight against ____ (pollute).

6. There are many _____ (wolf) in the forest.

7. Mr. Brown has worked with several ____ (German).

8. With the _____ (develop) of the economy, all the things have changed.

9. Everyone is ______ (suppose) to do it.

10. I wonder how _____ (learn) English well.

人民警察的纪律与义务既有联系又有区别。下列说明二者关系正确的有( )。

A．纪律与义务都是人民警察必须履行的，都具有强制性和约束作用

B．从《人民警察法》规定的纪律和义务的内容来看，纪律的规定侧重于对人民警察履行职责的影响，是保证人民警察履行职责最基本、最起码的要求

C．义务的规定侧重于对警民关系的影响，是对人民警察在履行职责的基础上提出的进一步的要求，即履行职责时的职业道德要求

D．纪律的作用不仅在于它是人民警察履行职责的保障，而且也是人民警察履行义务的基础

急性重型肝炎、急性磷中毒和白血病患者尿中易见的结晶是()

A．尿酸结晶

B．草酸钙结晶

C．亮氨酸和酪氨酸结晶

D．胆固醇结晶

E．胱氨酸结晶

一个字长为8位的无符号二进制整数能表示的十进制数值范围是______。

A) 0～256
B) 0～255 C) 1～256 D) 1～255

简述城市环境规划应遵循的基本原则