【題目】閱讀下列材料，在空白處填入適當(dāng)?shù)膬?nèi)容(一個(gè)單詞)或括號內(nèi)單詞的正確形式。

Researchers in China have explained why basking (沐浴)in the sun can make people smart. It is known to everybody that the sun is very important and nothing in the world can survive 【1】it. Science has already proved that sunny days can help 【2】(strong) a person’s mood, intelligence and memory.

A team at the University of Science and Technology of China in Hefei, Anhui province discovers that UV light, an element of sunshine, makes a change in the brain that can make 【3】(we) smarter.

Tests on mice show that moods and learning can be improved due to enough exposure to UV light, according to Xiong Wei, 【4】professor at the university 's School of Life Sciences who led the study. He says that mice 【5】(expose) to UV light, which is equal to 20 to 30 minutes of midday sun in Florida in summer. Exposure to UV light 【6】(increase) the level of a substance in blood, which reacts with brain cells 【7】(promote) functions such as learning and memory. Xiong says previous research has 【8】(actual) found that this substance will change in our body and do good to our 【9】(fit), but this is the first time that it has been showed that the process can happen in the brain, which is a finding 【10】surprises the team.

【答案】

【1】without

【2】strengthen

【3】us

【4】a/one

【5】are exposed

【6】increases

【7】to promote

【8】actually

【9】fitness

【10】that

【解析】

這是一篇新聞報(bào)道。安徽合肥中國科技大學(xué)的一個(gè)小組用小老鼠的試驗(yàn)證明了，陽光中的紫外線能在大腦中產(chǎn)生一種變化，使得我們變得更聰明。也就是說陽光普照的天氣能讓我們心情好、更聰明并且記憶力更好。

【1】考查介詞。句意：每個(gè)人都知道太陽很重要，沒有太陽世界上萬物都無法生長�？崭裉巻卧~位于動(dòng)詞后，與it一起作狀語，所以填介詞�！俺�、沒有”可翻譯為without，故填without。

【2】考查動(dòng)詞不定式與實(shí)義動(dòng)詞。句意：科學(xué)已經(jīng)證明陽光普照的天氣能使人們心情更好、更聰明并且記憶力更好�！皫湍橙俗瞿呈隆狈g為help sb. do sth.，“strong（強(qiáng)壯的）”的動(dòng)詞形式為strengthen（加強(qiáng)、鞏固），故填strengthen。

【3】考查人稱代詞。句意：安徽合肥中國科技大學(xué)的一個(gè)小組發(fā)現(xiàn)，陽光中的紫外線能使大腦里產(chǎn)生一種變化，使得我們更聰明。空格處單詞位于make后作賓語，所以使用人稱代詞的賓格形式。故填us。

【4】考查不定冠詞或不定代詞。句意：據(jù)牽頭這項(xiàng)研究的中國科學(xué)技術(shù)大學(xué)生命科學(xué)學(xué)院的熊偉教授表示，對小鼠的試驗(yàn)表明，適度暴露在紫外線下可以改善情緒與增強(qiáng)學(xué)習(xí)能力�？崭裉巻卧~與professor一起作Xiong Wei 的同位語，professor為可數(shù)名詞，使用的是單數(shù)形式，所以空格處可以填表示“一個(gè)”的不定冠詞或不定代詞，professor是以輔音音素開始的，故填a/one。

【5】考查一般現(xiàn)在時(shí)的被動(dòng)語態(tài)。句意：他表示，這些小鼠被暴露在紫外線中，相當(dāng)于在佛羅里達(dá)夏季的正午曬20到30分鐘的太陽。這是一個(gè)that引導(dǎo)的賓語從句，從句中缺謂語。句子主語mice與expose之間是被動(dòng)關(guān)系，所以使用被動(dòng)語態(tài)。由says可知以及全文使用的一般現(xiàn)在時(shí)可知，從句部分也應(yīng)用一般現(xiàn)在時(shí)。mice為復(fù)數(shù)形式，故填are exposed。

【6】考查一般現(xiàn)在時(shí)與主謂一致。句意：暴露在紫外線中增加了血液中的一種物質(zhì)，它與腦細(xì)胞產(chǎn)生反應(yīng)促進(jìn)了學(xué)習(xí)和記憶功能。這是一個(gè)定語從句，主句缺少謂語。由于全文使用的一般現(xiàn)在時(shí)，所以這句話也應(yīng)使用一般現(xiàn)在時(shí)�！�Exposure to UV light”表達(dá)單數(shù)意義，故填increases。

【7】考查不定式。句意同上。根據(jù)句意，這種物質(zhì)與腦細(xì)胞產(chǎn)生反應(yīng)促進(jìn)了學(xué)習(xí)和記憶功能，是一種順其自然的結(jié)果，所以可使用不定式作目的狀語。故填to promote。

【8】考查副詞。句意：熊教授說，之前的研究實(shí)際上已經(jīng)發(fā)現(xiàn)體內(nèi)這種物質(zhì)會(huì)改變并對我們的健康有好處，但是這是第一次發(fā)現(xiàn)它會(huì)在大腦內(nèi)產(chǎn)生變化，這個(gè)發(fā)現(xiàn)讓這個(gè)小組的成員都很吃驚�？崭裉巻卧~修飾動(dòng)詞found，所以使用副詞形式。故填actually。

【9】考查名詞。句意同上。空格處單詞位于物主代詞our后，所以使用名詞形式�！�fit（健康的）”的名詞形式為fitness，故填fitness。

【10】考查定語從句。句意同上。這是一個(gè)非限制性定語從句內(nèi)潛入了一個(gè)限制性定語從句。這個(gè)限制性定語從句的先行詞為a finding，指物，并且其在從句中作主語，所以可以使用關(guān)系詞which或that。又由于這個(gè)句子中已經(jīng)有一個(gè)which，故填that。

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