问题 选择题

葡萄糖(C6H12O6)是人体中提供能量的最基本糖类物质,供机体活动和维持恒定体温的需要.下列说法中,正确的是(  )

A.葡萄糖由2种元素组成

B.葡萄糖属于氧化物

C.葡萄糖的相对分子质量为180

D.葡萄糖中质量分数最高的元素是氢元素

答案

A、由葡萄糖(C6H12O6)的化学式知,它是由C、H、O三种元素组成;故A不正确;

B、氧化物是由两种元素组成的,且其中一种是氧元素的化合物,而葡萄糖是由三种元素组成的;故B不正确;

C、经计算葡萄糖的相对分子质量是180;故C正确;

D、经计算葡萄糖中质量分数最高的元素是氧元素;故D不正确.

故选C

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完形填空

第二节信息匹配(共5小题,每小题2分,满分10分)

阅读下列应用文及相关信息,并按照要求匹配信息。

首先,请阅读下面的应用文:

ACTIVITY HOLIDAYS

For mums, dads  and kid. Canoeing, pony carriage, rock climbing and general fun for all! Center based in pleasant surroundings.

Outdoor center

6 Woodward Way, Hartford

Tel: (05321 586)

SOCCER AND FOOTBALL HOLIDAYS

Coaching offered at coastal center. Become an expert with our friendly and capable instructors. Satisfaction guaranteed!

Fees: only 350 per week

Free booklet from: Tudor Holidays

Dept. 7, Inglenook,

Fresh Bourne FR2 308

 FREE HOLIDAY IN CANADA

Camps for youngsters in Canada require qualified nurses and teachers or students for summer vacation. Return flight paid , free accommodation and pocket money plus a week’s free time . Write to :

Camp Canada

64 , Window’s Walk

London WC2

SCOTTS CASTLE HOLIDAYS

Established in 1988 and based in Edinburgh, Scotts Castle Holidays can assist with family or group holidays , weekend breaks, honeymoons, holiday bookings, conferences , filming locations , family occasions, wedding and any request that involves venues(集合地点) in Scotland .

Tel: 44(0) 1208 821 341

LANGUAGE HOLIDAYS IN FAMILY

Educational visits for school children this Summer 3/4 week courses in Rome and Milan . Accommodation with an Italian family, excursions(远足) and activities. This season’s brochure(小册子) now available.

Tel: 324 7064

STAFFORDSHIRE”S VALE OF TRENT

Warm hospitality in peaceful and picturesque(独特的)surroundings. Mini-guide and farmhouse accommodation.  Leaflet (传单)from :

Tourist Information Center

9 Market St, Litchfield

请阅读以下个人信息,然后匹配人物和符合各人物需要的最佳活动选项。

56. Lucy is 22, a nurse in UK . she is planning a holiday abroad this summer. The holiday attracts her because she can get paid for her service while enjoying leisure time abroad.

57. Mr. Johnson is looking for a holiday for his son Tom. He expects Tom to gain some academic improvement while visiting some beautiful foreign cities.

58. This summer, Bill and his friends want to develop their sport skills under some professional guidance . They also expect to learn teamwork and co-operation through physical training .

59. The Bushes are going to celebrate their fifth wedding anniversary. They are looking for a holiday in which they can enjoy beautiful scenery and a thorough rest.

60. Mr. Head is entitled to 15 paid holidays every year. This summer he decides to go vacationing with his wife and two middle school sons . He is looking for a holiday specially designed for a family and offers unusual physically active activities.