问题补充：
We know that trees are useful in our everyday life. They 1us many things, such as wood, oxygen(氧气), rubber, medicines and many other things. They can 2tell us a lot about our climate. The following are the reasons. If you cut across a tree, you can 3that it has many rings. Most trees grow one 4ring every year. Because of this reason, we know 5a tree is. A tree over a hundred years old means that it has more than a hundred 6. When the climate is dry(干燥的) or very cold, the trees do not grow very much and their rings are usually 7. When it is wet and 8, the rings are much thicker. If the rings are suddenly very thin or suddenly very thick, this means that the 9changed suddenly. If we look at the rings on the trees, we can 10about the climate for a hundred years. We can see how our climate is changing today.
【小题1】A．give B．askC．getD．tell【小题2】A．too B．as wellC．eitherD．also【小题3】A．hearB．feelC．see D．look【小题4】A．newB．old C．youngD．short【小题5】A．how tallB．how oldC．how long D．how far【小题6】A．leavesB．applesC．ringsD．trees【小题7】A．bigB．thinC．thick(厚的)D．long【小题8】A．coldB．cool C．hot D．warm【小题9】A．climateB．thingsC．peopleD．life【小题10】A．thinkB．talkC．learnD．changeA
答案：
(答案→)A
解析：这篇短文重点介绍了树木的年轮问题,根据数目的年轮我们不仅可以推断出树木的年龄,还可以据此判断它成长中每年的气候状况.
【小题1】动词辨析. A.给予;B.要求,问;C.获得,到达;D.告诉,讲述.联系下文,可知此处指的是他们给予我们许多东西,故选A.
【小题2】此词辨析. 这几个选项都表示也，其中also，as well，too，用于肯定句，also常用于be动词，情态动词，助动词之后，行为动词之前；as well，too用于句末；either用于否定句中，置于句末。句意:他们也能告诉我们许多关于气候的事情.结合语境可知选D.
【小题3】联系下文,可知此处指的是你能看见许多年轮,故选C,环,年轮.
【小题4】形容词辨析. A.新的;B.旧的,老的;C.年轻的;D.短的.结合语境可知此处指的是大部分数目每年长一个新的年轮,故选A.
【小题5】联系上文,可知我们可以据此知道一棵树多大了,故选B,多大.
【小题6】联系上文,可知此处指的是它有超过100多个年轮,故选C,年轮.
【小题7】词义辨析. A.大的;B. 瘦的,薄的;C.厚的;D.长的.结合常识可知,在干旱或者非常冷的年份,年轮就特别薄,故选B.
【小题8】联系上文,可知此处指的是气候温暖湿润时,故选D,温暖的.
【小题9】联系上文,描述,可知此处指的是气候突然的变了.故选A,气候.
【小题10】动词辨析.A.思考,认为;B.谈话;C.学习,得知;D.改变.结合语境可知我们可以从此得知100年来的气候问题.故选C.
