蓄电池在无负载状态下，两极间的电位差称为蓄电池的静止电动势Ej，Ej的大小与极板的数

阅读下面的短文，根据短文内容判断句子正(T)误(F)

     One of the most important world problems is the growing population on the earth. The population of the world today

is more than 6,500,000,000. That is a great number and we know it quite well. The important thing is not how large the

population of the world is now, but is the speed of the growth. It's about 1.63% every year.

     In order to give you some ideas of the birth rate, look at the second hand of your watch. Every second, four babies

are born in the world. Another baby! Another baby! Another baby! Another baby! You cannot speak quickly enough

to keep up with the birth rate. The population is growing faster and faster. In one day, people have to find food for over

350,000 mouths more.

     This growing population will make a big problem by the year 2010-there will be as many as 7,000,000,000 people on

the earth! So this is one of the biggest problems that you are going to see in your life.

( )1. The growing of death is one of the most important world problems.

( )2. The speed of the growth is slowing down.

( )3. Four babies are born every second in the world.

( )4. In one year, people have to find food for over 350,000 mouths more.

(     )5. A big problem caused by the population will appear by the year 2010.

男性，25岁，左足癣处红肿伴脓性分泌物5天，2天前开始左小腿出现3条红线，有压痛，最可能的诊断为（）

A.急性浅静脉炎

B.气性坏疽

C.急性管状淋巴管炎

D.急性网状淋巴管炎

E.急性蜂窝织炎

安装完毕的水力警铃启动时，警铃声强度不小于（）。

A.50dB

B.65dB

C.70dB

D.80dB

案例摘要：患者，男性，47岁。烦闷、多饮，体重较轻，皮肤黏膜干燥，虚弱，呼吸、心律正常，血压110／70mmHg，尿量5～10L/24小时，色淡如水，尿比重1.001～1.005，血渗透压上升，尿渗透压／血渗透压<1.5，血抗利尿激素（ADH）水平明显低于正常。

有严重肝功能不良的老年患者不宜用的降血糖药是（）

A.格列本脲

B.氯磺丙脲

C.格列吡嗪

D.甲苯磺丁脲

E.格列齐特

低碳生活可以理解为：减少一氧化碳的排放，就是低能量、低消耗、低开支的生活方式。