【单选题】What causes wind on top of hills and mountains?
A.
cool air rising while hot air sinks
B.
cool air and hot air hitting each other
C.
hot air rising while cool air sinks
D.
cool air and rain clouds
【简答题】A.lake B.river C.mountains D.hills
【简答题】完形填空。 Now in some places of our country, many people are cutting down (砍 伐) the trees in the forests. They need more 1 to build houses and more farmland to grow crops and so on. The areas of forest...
【单选题】They have to walk_________8 country parks and___________20 hills and mountains. [ ]
【简答题】Postcards to myself In 50 years fo traveling Colin McCorpuodale has visited every country in the world, except thtee, And everywhere he goes, he sends himself a postcard , He always chooses a postcard...
【判断题】In China, more than half of its total land area covered by mountains, hills and high plateaus.
【单选题】Paragraph 4 tells us that when visiting a foreign country, ______.
A.
it is very uncommon for one to encounter embarrassing situations
B.
it is hard for one to adapt to the material aspects of life there
C.
people often expect to meet differences in customs
D.
people expect the same kind of food and weather
【简答题】China's topography is varied and complicated, with towering mountains, basins of different sizes, undulating plateaus and hills, and flat, fertile ___________ .