日常中造成电路短路的常见情况有：______；______．

阅读理解。

     Snow World Ski (滑雪) Park

     Price (价格): 50 yuan / hour on weekdays 70 yuan / hour on weekends

     pen time: 10:00 a.m.--3:00 p.m.

     Wanted 

     Can you speak English? Do you know much about Shanghai? Do you want to work for the 2010 Shanghai

World EXPO?

     Age: 18--30 Tel: 876-5163

     Found A black sports bag.

     There is a basketball and some food in it.

     Tel: 897-5897

     Movies at Times Cinema

     Crazy Stone: 8:00 a.m.--9:30 a.m.

     2012Doomsday: 8:00 a.m.--10:00 a.m.

     Avatar (阿凡达): 2:30 p.m.--5:00 p.m.

     Baby Plan: 6:00 p.m.--8:00 p.m.

     Ticket price: 25 yuan

      Tel: 860-1120

     Welcome to Sun Store on Bridge Street!

     All kinds of school things: bags, pens, rulers and pencils are cheaper (更便宜的) now.

     [Discount (打折) 40%, only this week]

 根据材料内容从所给选项中选出最佳选项.

1. If you want to pay less (更少的) money, you can go skiing _____.

A. on Friday

B. on Sunday

C. in the evening

D. on Saturday

2. If a pen cost 30 yuan in Sun Store last week, it costs _____ this week.

A. 30 yuan

B. 16 yuan

C. 18 yuan

D. 22 yuan

3. Linda wants to work for the Shanghai EXPO, so she must speak _____ well.

A. Japanese

B. French

C. Chinese

D. English

4. Mr. Brown has nothing to do from 2:00 p.m. to 6:00 p.m. Which movie can he see?

A. Avatar.

B. Crazy Stone.

C. Baby Plan.

D. 2012Doomsday

5. If you lost a black sports bag, you can call _____.

A. 876-5163

B. 860-1120

C. 896-8956

D. 897-5897

下列各句中加粗的熟语使用恰当的一句是  [ ]

A．五十年来，我国取得了一批举世瞩目的科研成果，这同几代的科技工作者殚精竭虑，忘我工作是密不可分的。

B．博物馆里保存着大量艺术价值的石刻作品，上面的各种花鸟虫兽人物形象栩栩如生，美轮美奂。

C．家用电器降价刺激了市民消费欲的增长，原本趋于滞销的彩电，现在一下子成了炙手可热的商品。

D．虽然交通事故的发生率已经每况愈下，但我们仍不能有丝毫大意。

我国绝大多数商业银行本外币的流动性管理仍主要依赖历史数据和管理人员的主观判断与估计。()

某研究所在装运存有放射性物质的铅箱时，一只箱子从车上掉下来，吴明(8岁)看见后，即取出箱中的放射性物质玩耍，结果因过量吸收放射性物质而得病。吴明的治疗费和其他必要费用应由谁承担()

A．吴明的监护人

B．某研究所

C．主要由某研究所承担，吴明的监护人适当分担

D．主要由吴明的监护人承担，某研究所适当分担

离心泵震动会损坏（）部件

A.泵轴，叶轮

B.叶轮，轴承

C.叶轮，泵壳