All living things on the earth need other living things to live with. Nothing lives  1 . Sometimes one living thing kills    2  . Each kind of life eats another kind of life     3   live, and together they form a food chain(食物鏈). Some food chains are simple, while others are not. But    4    food chains begin with the sun, and all food chains become    5   if one of the links disappears.
All life needs sunlight to live on. But only plants can use    6   directly(直接地). They make food from sunlight, water, air and so on. Animals can only use the sun’s energy    7    it has been changed into food by plants. Some animals feed directly on plants. Others eat smaller animals. Meat-eating animals are only   8 plants indirectly.
What about human beings? We are members of many food chains. We eat wheat, rice, vegetables, fruits and so on. We also eat meat and drink milk. But   9     often break up the food chains. They kill wild animals. They also make rivers, lakes and seas dirty. When these rivers, lakes and seas are polluted, the fish in them    10   be eaten. If people eat the fish, they will get strange diseases.
Each form of life is linked to all the others. Breaking the links puts all life in danger.

【小題1】
A．a(chǎn)loneB．lonelyC．togetherD．happily
【小題2】
A．otherB．the otherC．a(chǎn)notherD．the others
【小題3】
A．forB．so thatC．a(chǎn)ndD．in order to
【小題4】
A．a(chǎn)nyB．a(chǎn)llC．someD．most
【小題5】
A．betterB．brokenC．strongerD．nicer
【小題6】
A．moonlightB．laser lightC．sunlightD．bright light
【小題7】
A．a(chǎn)fterB．beforeC．untilD．by the time
【小題8】
A．makingB．catchingC．eatingD．feeding
【小題9】
A．sunlightB．a(chǎn)nimalsC．plantsD．people
【小題10】
A．canB．cannotC．mustD．needn’t


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

解析試題分析：這篇短文中作者主要介紹了自然界中的食物鏈，所有的食物鏈都從太陽開始，由植物將太陽能轉(zhuǎn)變?yōu)槭澄铮缓髽?gòu)成自然界的食物鏈。我們?nèi)祟愐彩鞘澄镦溨械囊画h(huán)，但是我們經(jīng)常破壞食物鏈，從而也危及到我們自身。
【小題1】詞義辨析。A.獨(dú)自地；B.孤獨(dú)地；C.一起，同事； D. 高興地；聯(lián)系上文，可知沒有東西能獨(dú)自生存。故選A。
【小題2】不定代詞辨析。A.其它的；B.兩個(gè)中的另一個(gè)；C.多個(gè)中的另一個(gè)；D.其余的。結(jié)合語境可知此處指的是多個(gè)中的另一個(gè)，故選C。
【小題3】詞義辨析。A.為了；B.以便，所以；C.和，并且；D. 為了，以便；句意：每一種生命以另一種生命為食都是為了生存。選項(xiàng)ABC是連詞，后面接名詞或者句子，故選D，to是不定式符號(hào)，后面接動(dòng)詞原形。
【小題4】聯(lián)系下文描述，可知所有的食物鏈都是從太陽開始，故選B，所有的。
【小題5】聯(lián)系下文描述，可知此處是表示破壞，損壞的意思，故選B，破碎的，壞掉的。
【小題6】聯(lián)系上文描述，可知此處指的是只有植物能直接利用太陽光，故選C，太陽光。
【小題7】詞義辨析。A.在……之后；B.在……之前；C.直到；D.到……的時(shí)候。聯(lián)系下文，可知此處指的是再植物將太陽的能量變成食物之后。故選A。
【小題8】聯(lián)系上下文，可知句意為：肉食動(dòng)物只能間接地吃植物。故選C，吃。
【小題9】聯(lián)系下文描述，可知此處指的是人們經(jīng)常破壞食物鏈，故選D，人們。
【小題10】聯(lián)系上下文，可知這些被污染的河流，湖泊和海洋中的魚不能吃了。故選B，不能。
考點(diǎn)：關(guān)于食物鏈問題的說明文
點(diǎn)評(píng)：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(gè)別小題可以當(dāng)作單獨(dú)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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