We know that trees are useful in our everyday life. They   1   us many things, such as wood, oxygen(氧氣), rubber, medicines and many other things. They can   2   tell us a lot about our climate. The following are the reasons. If you cut across a tree, you can   3   that it has many rings. Most trees grow one   4   ring every year. Because of this reason, we know   5   a 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    9   changed suddenly. If we look at the rings on the trees, we can   10   about the climate for a hundred years. We can see how our climate is changing today.

【小題1】
A．give B．a(chǎn)skC．getD．tell
【小題2】
A．too B．a(chǎn)s wellC．eitherD．a(chǎn)lso
【小題3】
A．hearB．feelC．see D．look
【小題4】
A．newB．old C．youngD．short
【小題5】
A．how tallB．how oldC．how long D．how far
【小題6】
A．leavesB．a(chǎn)pplesC．ringsD．trees
【小題7】
A．bigB．thinC．thick(厚的)D．long
【小題8】
A．coldB．cool C．hot D．warm
【小題9】
A．climateB．thingsC．peopleD．life
【小題10】
A．thinkB．talkC．learnD．change


【小題1】A
【小題2】D
【小題3】C
【小題4】A
【小題5】B
【小題6】C
【小題7】B
【小題8】D
【小題9】A
【小題10】C

解析試題分析：這篇短文重點介紹了樹木的年輪問題,根據(jù)數(shù)目的年輪我們不僅可以推斷出樹木的年齡,還可以據(jù)此判斷它成長中每年的氣候狀況.
【小題1】動詞辨析. A.給予;B.要求,問;C.獲得,到達(dá);D.告訴,講述.聯(lián)系下文,可知此處指的是他們給予我們許多東西,故選A.
【小題2】此詞辨析. 這幾個選項都表示也，其中also，as well，too，用于肯定句，also常用于be動詞，情態(tài)動詞，助動詞之后，行為動詞之前；as well，too用于句末；either用于否定句中，置于句末。句意:他們也能告訴我們許多關(guān)于氣候的事情.結(jié)合語境可知選D.
【小題3】聯(lián)系下文,可知此處指的是你能看見許多年輪,故選C,環(huán),年輪.
【小題4】形容詞辨析. A.新的;B.舊的,老的;C.年輕的;D.短的.結(jié)合語境可知此處指的是大部分?jǐn)?shù)目每年長一個新的年輪,故選A.
【小題5】聯(lián)系上文,可知我們可以據(jù)此知道一棵樹多大了,故選B,多大.
【小題6】聯(lián)系上文,可知此處指的是它有超過100多個年輪,故選C,年輪.
【小題7】詞義辨析. A.大的;B. 瘦的,薄的;C.厚的;D.長的.結(jié)合常識可知,在干旱或者非常冷的年份,年輪就特別薄,故選B.
【小題8】聯(lián)系上文,可知此處指的是氣候溫暖濕潤時,故選D,溫暖的.
【小題9】聯(lián)系上文,描述,可知此處指的是氣候突然的變了.故選A,氣候.
【小題10】動詞辨析.A.思考,認(rèn)為;B.談話;C.學(xué)習(xí),得知;D.改變.結(jié)合語境可知我們可以從此得知100年來的氣候問題.故選C.
考點：關(guān)于年輪的說明文
點評：這篇短文內(nèi)容比較簡單，理解不難。各小題與上下文聯(lián)系比較緊密，答題中一定要注意聯(lián)系上下文。答完后多讀幾遍，看看是否符合邏輯，適當(dāng)修改。個別小題可以當(dāng)作單獨的詞義辨析題來做，先區(qū)分詞義，結(jié)合語境選出最能使語句通順的答案。

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