问题
填空题 案例分析题
读我国东部沿海某地等高线示意图，回答下列问题。
图中丙表示的地形是（），判断理由是（）。
答案
参考答案：盆地；周围高中间低
解析：丙地的等高线是周围高中间低，判断其地形是盆地。
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读我国东部沿海某地等高线示意图，回答下列问题。
图中丙表示的地形是（），判断理由是（）。
参考答案：盆地；周围高中间低
解析：丙地的等高线是周围高中间低，判断其地形是盆地。
Flies (苍蝇) usually live in the dirty places. Let’s look at a fly, and see where it 27 . First, it flies out of the window, 28 it stands on 29 dirty things in the street, and then it flies back to the house and walks over your 30 . When a fly walks on the dirty things in the street, its 31 have got some germs 32 them. When the fly walks on your food with its dirty feet, it 33 the germs on your food. What can you 34 this? First, we learn that we mustn’t leave dirty things in the street or on the ground near 35 . Second, we learn that all food must be covered so that flies may not 36 it. Third, we learn that flies often carry germs and we must kill them as soon as we see them.
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