问题 选择题

重为3N的贡柑,从树上落下的过程中,受到重力的作用. 对于贡柑所受重力的大小和方向,以下说法中正确的是(   )

A.大于3N,方向竖直向上

B.小于3N,方向竖直向下

C.等于3N,方向竖直向上

D.等于3N,方向竖直向下

答案

D

题目分析: 本题主要考察对重力大小与方向的认识。重力的大小只与物体的质量和地理位置有关,与物体的运动状态无关。贡柑从树上往下落时,运动状态发生改变,但是质量与地理位置不发生改变,所以重力的大小不变。重力的方向始终竖直向下。故答案选D。

阅读理解

信息匹配。

在第1至5题中,Lucy,Tom,Bill及其他的朋友们,the Bushes和Mr. Head正计划如何过暑假。阅读下面

六个有关暑假活动的广告(选项A.B.C.D.E和F),选出符合个人需要的 最佳选项,并标在相应的位置。

选项中有一项是多余选项。

1._____ 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.

2._____ 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.

3._____ This summer, Bill and his friends want to develop their sport skills under some professional guidance.

They also expect to learn teamwork and cooperation through physical training.

4._____ 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.

5._____ Mr Head is entitled (有……资格) 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.

                                                                             A 

                                                             ACTIVITY HOLIDAYS

     For mums, dads and kids. Canoeing, pony trekking (坐小型马车), rock climbing and general fun for all!

Center based in pleasant surroundings.

     Outdoor center

     6 Woodward Way, Hatford

     (05321 586) 

                                                                           B

                                           CRICKET (板球) AND FOOTBALL HOLIDAYS

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

guaranteed!

     Fees: only 35 per week.

     Free booklet from: Tudor Holidays

     Dept. 7, Inglenook,

     Fresh Bourne FR2 308

                                                                          C 

                                                     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

                                                                         D 

                                                    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

                                                                         E

                                               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 

                                                                         F 

                                              STAFFORDSHIRE'S VALE OF TRENT

     Warm hospitality in peaceful and picturesque (独特) surroundings. Mini-guide and farmhouse

accommodation. Leaflet (传单) from:

     Tourist Information Center

     9 Market St, Lichfield

判断题