当光源移到无穷远处时，()所得的图像就是这个物体的平行投影。(A)投影线相交于一点;
题型：单项选择题
问题：
当光源移到无穷远处时，()所得的图像就是这个物体的平行投影。
(A)投影线相交于一点;
(B)投影线互相平行;
(C)投影线杂乱无章;
(D)没有投影线
题型：单项选择题
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 larges
t 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.
小题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．小题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小题3:The passage can be classified as .
A．an advertisement
B．a geography article
C．a report
D．a diary