题目

Choose the best words or expressions and complete the passage (选择最恰当的单词或词语完成短文)We know that trees are useful in our_______________life. They give us wood,oxygen, rubber, medicine and many other things. They can_______________tell us about our climate (气候). If you_______________a tree trunk, you can see that it has many rings (年轮).Most trees grow one new ring every year. Because of this reason, we know the_______________of a tree. A tree over a hundred years old means that it has more than a hundred rings. When the climate is dry or very cold, the trees do not grow very much and their rings are usually_______________. When it is wet and warm, the rings are much thicker. If the rings are suddenly very thin or suddenly very thick, this means that the climate changed suddenly. We can learn about the climate for a hundred years. We can see_______________our climate is changing today.【1】A. every day B. everyday C. every day's D. every day's【2】A. not B. too C. to D. also【3】A. cut across B. climb up C. walk past D. look at【4】A. size B. length C. age D. weight【5】A. big B. thick C. small D. thin【6】A. how B. why C. when D. what 答案：【答案】【1】 B 【2】 D 【3】 A 【4】 C 【5】 D 【6】 A 【解析】【1】句意：我们知道在我们的.....生活中树木很有用。A选项是：每天；B选项是：日常的；C选项是：每一个天的；D选项错误，形容词不加's所有格。根据句意，B选项正确。故答案为：B。【2】句意：它们......可以告诉我们关于气候的情况。not“不”，和助动词，情态动词和系动词搭配表示否定，用在这里不合适；too“也”，用在句尾，这里不合适；to“到”，介词用在这里不正确。also“还，也”用在句中，位置是行为动词前，系动词后面。用在这里正确。故答案为：D。【3】句意：如果你......一个树干，你能够看到它有许多年轮。A选项是：切断；B选项是：爬上；C选项是：走过；D选项是：看。根据句意，用A选项正确。故答案为：A。【4】句意：由于这个原因，我们知道树的.....。根据短文叙述可知是知道树的年龄，C选项正确。故答案为：C。【5】句意：当气候干燥和非常寒冷时，树生长的不快，那么他的年轮通常就.....。根据句意，生长的慢，年龄就thin“薄”。故答案为：D。【6】句意：我们可以我们的今天的气候是......变化的。how“如何”； why“为什么”； when“什么时候”； what“什么”。根据句意用how正确。故答案为：A。这是考查完型填空的题目。首先通读短文，然后根据所学短语和语法知识结合上下文意思提示来选出正确的选项。

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