简要分析完全竞争厂商的长期均衡。

All the people around the world have the same simple dream _____ they will always live in peace.

A．that

B．which

C．where

D．when

信息匹配。阅读下列应用文及相关信息，并按照要求匹配信息。

首先请阅读下列课程的信息：

     A. City Water Skiing Centre-We are in the heart of the city and give you an easy chance to enjoy the fun

and excitement of water skiing. We offer half hour lessons every hour between 9 a.m. and 4 p.m. A fun way

to get a lot of exercise quickly and then stay fit.

     B. Horse Riding School-Our experienced teachers provide one-on-one instruction that makes learning to

ride a horse safe and easy. We are located on a large farm where you will be able to get to enjoy lots of fresh

air and the beauty of nature. Open 7 days a week between 8 a.m. and 6 p.m.

     C. Ballroom Dancing Society-The dancing society is organising a special course for new members. No

experience is necessary and if you don't have your own partner we will arrange one for you. Have fun learning

to dance and making new friends in class and at our many social events. Classes every Monday and Thursday

from 7 p.m. to 9 p.m .

     D. Hiking Club-The club is looking for new members to join us on our regular hikes. Each weekend we go

to local mountain and forest locations for long walks providing the chance for plenty of exercise and fresh air.

Different members take part each week so you will have the chance to make new friends. The hikes range in

difficulty from easy to very hard and we expect our member to be fit before they join.

     E. Ron's Boxing Gym-We don't just teach you how to box; we teach you how to keep fit for the rest of

your life. Our training involves many different activities such as running, skipping and lifting weight, as well

as-of course-actual boxing. Once a month we also organise practice fights for members of the same sex and

weight. Open 2 p.m. to 10 p.m.

     F. Water Polo Club-If you can swim and like ball sports then you'll love water polo. It is like playing football

in the water, a fun and low-impact way to stay healthy. As a water-based sport it is also the ideal way to recover

from injury. Open weekdays 9 a.m. to 11 a.m. and 4 p.m. to 8 p.m.

请阅读下列个人信息，然后匹配人物与拟选的课程：

( )1. Harold-is a busy bank manager working in the city. He has put on a lot of weight in recent years and

wants to take up a sport that will help him get fit. He enjoys thrilling and exciting sports but as he often has to

work late into the evening and on the weekend so he only has time to go during his workday lunch hour.

( )2. Maude-has been retired for 2 years. She is in good health but wants to keep active and remain in shape.

She is interested in a hobby that isn't too difficult to learn and will give her lots of fresh air and the chance to

meet some new friends. She only has free time on the weekend as most weekdays are spent taking care of her

grandchildren.

( )3. Sid-is a high school student that recently hurt his knee playing football. The doctor has told him that for

the next 6 months he shouldn't put too much pressure or weight on it and he needs to do some sport that will

help him build up his strength but will not cause any more damage to his knee. Afternoon after school is his

preferred time.

( )4. Nancy-is a university student who loves excitement and is always willing to try out something different.

She has little patience however and wants a sporting activity that will give her the chance to do many different

things. As she works part time after class and on the weekend she is only free on weekday afternoon.

( )5. Spike-has recently moved to the city and doesn't have many friends. He is not really a sports fan but

wants to do something that is fun and that will give him the chance to meet new people. He is only free in the

evening.

下列属于正当防卫的构成要件的是( )。

A．针对不法的侵害行为而实施

B．不法侵害行为必须是在进行中

C．不得超过必要的限度，造成不应有的伤害

D．不法侵害行为必须是在进行中的或已经终止

E．必须是针对不法侵害人进行防卫

什么是规律性误差？

在热泵循环中，热泵工质不经过的过程是（）

A.冷凝

B.压缩

C.蒸发

D.节流