问题 选择题

关于惯性,下列说法正确的是(   )

A.用相同的水平力分别推放在地面上的两个材料不同的物体,则难以推动的物体惯性大

B.同一物体运动时的惯性大于静止时的惯性

C.“嫦娥一号”卫星在地球上的惯性与它绕月球飞行时的惯性相同(燃料消耗忽略不计)

D.由于惯性,当汽车突然刹车时,乘客会向车尾倾倒

答案

答案:C

题目分析:质量是惯性大小的惟一量度,同一个物体质量不变,惯性大小不变,不同物体比较,质量大的惯性大,B错误,C正确;用相同的水平力分别推放在地面上的两个材料不同的物体,不知道质量关系,无法比较惯性大小,A错误;由于惯性,当汽车突然刹车时,乘客会向车头方向倾倒,D错误。

阅读理解

阅读理解。

Channel Islands tourist guide

     Friendly communities, a rough coastline and gentle, untouched scenery make the islands ideal

for anyone who wants to ‘get out there’ and explore on foot or by bike.

England tourist guide

     England is the largest country in Britain, and home to the largest city in Europe, 600 miles of

beautiful coastline, and a population almost three times that of Australia.

Isle of Man tourist guide

     A country rich in natural history, beautiful scenery and first-class historical sites with attractions

for all age groups and interests.

London tourist guide

     London needs little introduction. This lively, multi-cultural capital is a world leading destination

city. London is full of history, heritage and culture, yet one of the most fast-moving, cosmopolitan

(世界性的) cities on the planet.

Northern Ireland tourist guide

     Exciting cities with shopping, nightlife and festivals, outdoor activities, wonderful food and

untouched peaceful and private places where you can relax.

Scotland tourist guide

     Scotland is everything you imagine- whisky, golf and wealth of castles and historic sites. The

Highlands area is one of the last wildernesses in Europe.

Wales tourist guide

     Wales is different from other parts of Britain and just 2 hours from Heathrow Airport. With

400 castles, yet only one official motorway, you have to take things at a gentle pace.

1.What is special about England?

A. It is the largest country in Europe.

B. It enjoys a beautiful coastline of 600 miles.

C. It is one of the last wildernesses in Europe.

D. It has a large population similar to Australia.

2.If you want to visit castles, you are supposed to go to ______.

A. Channel Islands and Isle of Man  

B. Isle of Man and London

C. Northern Ireland and Wales      

D. Wales and Scotland

3.The passage can be classified as ______.

A. an advertisement

B. a geography article

C. a report  

D. a diary

问答题 简答题