Ⅱ.完成句子

　　1．The wine ________________________(不一种类)as the one we bought last year.

　　2．________________________(过马路时)，you must be careful.

　　3．Homeless people often ______________________(找工作有困难)because they have no home addresses.

　　4．They agreed to sell the factory last year after they ________________(遇到)financial problems.

　　5．She ________________________(为……做准备)the driving test for years.

　　答案：

　　1．is not of the same kind　2.While crossing the street　3.have trouble(in)finding a job　4.ran into

　　5．has been preparing for

　　Ⅲ.阅读理解

　　(2016·江西南昌市一模)Even if trees cannot walk，they are still on the move.

　　In parts of the Arctic，entire forests are moving northward.Across the Arctic，temperatures are rising faster than anywhere else in the world.As that happens，the tree line that marks where forests stop and the treeless tundra (冻原) starts has been shifting northward.Trees growing along the tree line must protect themselves from the cold wind.To do this，plants tend to grow horizontal (水平的)branches low to the ground.The energy it takes for trees to grow this way means they don't have enough energy to make seeds.

　　But as Earth's climate has been warming，trees no longer have to just grow horizontally.Many can instead grow up toward the sky.This takes less energy.And with all that leftover energy，these trees have started producing more seeds.This happens especially in places where white spruce (白云杉) grows.

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