学历教育

下列选项中，乙的行为应当认定为承诺的有（　　）。

A、膜在安静时对K+通透性大

B、膜在兴奋时对Na+通透性增加

C、Na+、K+易化扩散的结果

D、膜上钠-钾泵的作用

E、膜上ATP的作用

A.键盘

B.扫描仪

C.绘图机

D.鼠标

Crime Prevention Initiatives The chances that you will be a victim of violent crime are low. But you can avoid risk in the following ways. AT HOME - You should make sure your house or flat is secure. Always lock the door from the inside at night, but you must keep the key nearby, so that you can use it to get out quickly if there is a fire. - You must never give keys to workmen as they can easily make copies. - If you wake up and hear a burglar, stay quietly in bed. Pretend you are asleep. If you feel more confident, switch on the light and make a lot of noiseeven if you are on your own you should call out loudly to an imaginary companion, so that the burglar thinks you are not alone and runs away. You should have a phone or a mobile in your bedroom to alert the police immediately. - If you come home and think you see signs of a break-in, you shouldn't go in, the burglar may be inside. You should go to a neighbour and call the police. ON THE STREET At night: - Always walk facing the traffic, so that a car cannot pull up behind you. - You mustn't go through parks or woods. - If you think someone is following you, cross the road one or two times. If he or she continues to follow you, go to a pub or other public place. - Always carry your bag close to you, but carry your house keys in your pocket so that you can open the door quickly. If someone attacks you - remember your safety is more important than your property.

1). This passage mainly focuses on ().

2). If you want to guarantee your safety at home, you should ().

3). Based on the passage, if you notice someone following you, it's better for you to ().

4). Why should you have a telephone in the bedroom?

5). From the passage, we can infer that we might be victims if ().

(1).A、how to avoid crimes both at home and in the street

B、 where to stay if you want to be safe

C、 what you should do at home if there is a burglary

D、 how to avoid crime at night in the street

(2).A、always lock the door and put the key in a secret place far away from the door

B、 never leave the keys with workmen since they can easily make copies

C、 keep silent all the time even if you are on your own when a burglar steals into your house

D、 go in immediately when you suspect someone is breaking into your house

(3).A、shout loudly

B、 run quickly

C、 stop, turn around and look at him

D、 go to public places

(4).A、Because we might use it to alert the burglar.

B、 Because it's convenient for us to talk to our friends while lying in bed.

C、 Because it's convenient for us to report to the police in case there is a burglary.

D、 Because we might use it to make a phone call at midnight.

(5).A、we cannot part with the money when being attacked

B、 we always walk facing the traffic

C、 we don't walk in the empty street

D、 we carry too much cash

此题为判断题(对，错)。

A.项目的前期工作

B.实施准备阶段

C.模拟运行及用户化

D.切换运行

E.新系统运行

A、胰液的pH约为8

B、胰液的碳酸氢钠含量高

C、胰液的分泌以神经调节为主

D、胰液中含有羟基肽酶

E、每天分泌量超过1000ml