问题
填空题
用户光缆的特点是含纤数量多,这种高密度的带状光缆可减少光缆的()。在工程施工中便于()和提高()速度。
答案
参考答案:直径和重量,分支,接续
用户光缆的特点是含纤数量多,这种高密度的带状光缆可减少光缆的()。在工程施工中便于()和提高()速度。
参考答案:直径和重量,分支,接续
完形填空。 | ||||
When you go to the seaside, maybe you will notice (注意) that the wind very often comes from the sea to the land in the 1 part of the day, but in the evening, the wind blows in the opposite direction (方向). Why does this happen? In the morning, when the sun 2 it begins to warm the land 3 the sea. The land 4 warm faster than the sea. So while the air above the sea is cool the air over the land 5 warmer. The air 6 the land rises and the cool air from the sea moves 7 the land. When evening comes, 8 the sea and the land become cool, but the land cools more 9 than the sea. The wind now changes 10 direction. | ||||
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