【題目】As is known to all, we live in a world of germs（細菌）. It is impossible to avoid exposure. Genetic makeups may give some people 【1】 advantage over others. However, it does not stop people from becoming sick.

All of us have been a victim of an 【2】(ill) at some point in our lives. Moreover, it is likely that we 【3】(get) sick again in the future. Our best chances of avoiding sickness 【4】(be) by exercising and employing good 【5】(habit).

While good hygiene and exercise serve as obvious advice to most people, eating 【6】(healthy) is not always obvious. If you cannot define “healthy”, then your immune system will be happy 【7】(tell) you. The immune system is the foundation of our health. It works for us every day to keep us well. Ask 【8】(you): “Are you making its job easier 【9】 harder?”

Like any system, the immune system is not different. It has a tolerance too. If you eat unhealthily, your immune system will make you aware of it.

Take a step in the right direction 【10】 including some healthy food in your diet.

【答案】

【1】an

【2】illness

【3】will get

【4】are

【5】habits

【6】healthily

【7】to tell

【8】yourself

【9】or

【10】by

【解析】本文是一篇記敘文。主要講述了我們居住在一個周圍充斥著細菌的世界里，在我們每個人的一生中都會生病，擁有好的衛(wèi)生習(xí)慣、加強鍛煉以及健康的飲食習(xí)慣可以幫助我們盡量避免細菌的感染。除此之外，免疫系統(tǒng)也在幫助我們抵御外界細菌的感染，維護我們的身體健康。

【1】考查冠詞。“Genetic makeups may give some people ____1____ advantage over others”分析句子，句子結(jié)構(gòu)完整，不缺少成分，句中使用的是advantage，名詞要用單數(shù)形式，因此應(yīng)該加上冠詞。故填an。

【2】考查名詞。“All of us have been a victim of an ____2____(ill) at some point in our lives”，橫線前為不定冠詞an，所以橫線處只能使用名詞形式。故填illness。

【3】考查動詞。“Moreover, it is likely that we ____3____(get) sick again in the future”，根據(jù)橫線后的in the future，判斷為將來時，應(yīng)與前文謂語動詞相對應(yīng)。故填will get。

【4】考查動詞。“Our best chances of avoiding sickness ____4____(be) by exercising”，分析句子，主語為Our best chances，chances為名詞復(fù)數(shù)形式，時態(tài)是一般現(xiàn)在時，故填系動詞are。

【5】考查名詞。“employing good _____5_____(habit)”，good為形容詞，后面應(yīng)該使用名詞形式，habit作名詞“習(xí)慣”使用時，為可數(shù)名詞，前面沒有冠詞修飾，故填habits。

【6】考查副詞。“eating _____6_____(healthy) is not always obvious”，eating為動詞，應(yīng)由副詞修飾動詞，故填healthily。

【7】考查不定式。happy to do sth.樂于做某事。故填to tell。

【8】考查物主代詞。"Ask _____8_____(you)"，ask為動詞，后面應(yīng)該加人稱代詞賓格形式，故填yourself。

【9】考查連接詞。"Are you making its job easier ____9____ harder?"，easier與harder是意義相反的兩個詞，所以應(yīng)該用or表示選擇關(guān)系。故填or。

【10】考查介詞。"Take a step in the right direction ____10____ including some healthy food in your diet"，分析句子，including為動名詞形式，direction為名詞，所以橫線處只能填寫介詞。故填by。

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