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问题 填空题

工人师傅在螺母下面垫一个面积较大的垫圈，是为了______；在使用扳手的时候，常常在扳手末端再套上一段铁管，这是为了______．

答案

（1）工人师傅在螺母下面垫一个面积较大的垫圈，是在压力一定时，增大受力面积来减小对元件的压强，对元件起到保护作用．

（2）杠杆平衡条件：动力臂×动力=阻力臂×阻力，阻力臂×阻力一定时，动力臂越长，动力越小，越省力．所以使用扳手的时候，常常在扳手末端再套上一段铁管，是为了更省力．

故答案为；减小压强；增大动力臂更省力．

选择题

我国是人民当家作主的社会主义国家，我国公民在享有广泛的政治权利和自由的同时，还必须履行以下义务[ ]

①维护国家统一和民族团结 ②遵守法律和法规 ③维护国家安全、荣誉和利益 ④服兵役和参加民兵组织

A．①②③

B．②③④ 　

C．①③④ 　

D．①②④
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填空题

A Accommodation 住宿

One is never at a loss for a place to (1) in Malaysia．The country’s cities and major towns have a (2)  range of accommodation to suit all tastes and budgets. Most international (3)  hotels cater to total living requirements and as such, one (4) easily find restaurants, entertainment outlets and fitness centres within the (5)  complex.

Several resort hotels even have adjoining golf courses and (6)  parks with special privileges accorded to hotel guests. Family outings (7)  these hotels can be a practical yet fun-filled activity. Guests (8)  on longer stays may appreciate the serviced apartments situated within (9)  major cities.

Malaysia is also an excellent destination for romantic getaways， (10)  for honeymooners seeking an idyllic tropical retreat with (11) amenities. The country’s award-winning island resorts are paradises waiting to be (12)

For budget-conscious tourists, there is an array of accommodations located (13)  to amenities and tourist attractions. Budget accommodations in Malaysia are (14)  according to the Orchid Classification Scheme and include hostels, bed (15)  breakfast establishments, inns, boarding houses, rest houses and lodging houses (16)  Orchid rating is awarded to tourist accommodations offering basic facilities (17)  well as safe and clean premises.

Adventurous souls can try (18)  the innumerable value-for-money kampung-style chalets located along popular beaches. Nature (19)  seeking communion with nature in Malaysia’s world-famous nature parks such (20) Taman Negara will be amazed by the easy availability of chalets with modern facilities in these areas.

6.（）
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