【題目】閱讀下面短文，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。

Honeybee populations in the United States 【1】 (decrease) dramatically over the decades. And a new study suggests that a certain kind of pesticide could be making things 【2】 (bad).

The number of honeybees hasn’t changed much over the past few years, but the overall picture doesn’t look good for an insect that plays 【3】 important role in our food supply. Scientists don’t know for sure 【4】 this is happening. Pesticides and parasites (寄生蟲) are the most suspected reasons, and a study recently published in the scientific journal. One suggests that neonicotinolds (煙堿類農(nóng)藥) ,types of pesticides that 【5】 (use) around the world, are incredibly poisonous to honeybees and other insects. Part of the reason for that is because these pesticides appear 【6】 (stick) around in the environment and stay dangerous for longer periods of time.

Though they’re deadly to insects, neonicotinolds are not considered dangerous to humans. An ongoing challenge 【7】 farmers is finding ways to keep other insects away while still 【8】 (protect ) bees. Pesticides may not discriminate between the insects they kill, though neonicotinolds maker says the chemical’s risk to bees is lower when it’s used properly. The U. S. Department of Agriculture says it’s 【9】 (likely) that there’s one magic 【10】 (solve) to the problem, but there are a number of organizations trying to help honeybees.

【答案】

【1】have decreased/have been decreasing

【2】worse

【3】an

【4】why

【5】are used

【6】to stick

【7】for

【8】protecting

【9】unlikely

【10】solution

【解析】

這是一篇說明文。文章說明了幾十年來，美國蜜蜂的數(shù)量一直在大幅度下降。一項(xiàng)新研究表明，某種殺蟲劑可能令情況進(jìn)一步惡化。

【1】

考查時(shí)態(tài)。句意：在過去的幾十年里，美國的蜜蜂數(shù)量急劇減少。根據(jù)時(shí)間狀語over the decades，可知，謂語動詞應(yīng)用現(xiàn)在完成時(shí)態(tài)或者現(xiàn)在完成進(jìn)行時(shí)態(tài)，且主語為Honeybee populations in the United States，故填have decreased或者have been decreasing。

【2】

考查形容詞的比較級。句意：一項(xiàng)新的研究表明，某種殺蟲劑可能會使情況變得更糟。根據(jù)上下文可知，目前蜜蜂數(shù)量急劇減少，可以推斷使用某種殺蟲劑可能會使事情變得更糟，所以此處作making things的補(bǔ)語，用形容詞的比較級worse。故填worse。

【3】

考查冠詞。句意：在過去的幾年里，蜜蜂的數(shù)量并沒有太大的變化，但是對于這種在我們食物供應(yīng)中扮演重要角色的昆蟲來說，整體情況并不樂觀。此處表示“起著重要作用”，用固定短語play an important role in。故填an。

【4】

考查賓語從句連接詞。句意：科學(xué)家們還不能確定這為什么會發(fā)生。根據(jù)句意和結(jié)構(gòu)可知，此處為科學(xué)家們還不能確定“這為什么會發(fā)生”的原因，是賓語從句，可以用why引導(dǎo)該賓語從句，作原因狀語，表示“為什么是這種情況”，即“……的原因”。故填why。

【5】

考查時(shí)態(tài)和語態(tài)。句意：一個(gè)研究表明被用于全世界的煙堿類農(nóng)藥和該類殺蟲劑，對蜜蜂和其他昆蟲有難以置信地毒性。分析句子可知，先行詞neonicotinolds，types of pesticides與“use”是被動關(guān)系，表示“被使用”，應(yīng)用被動語態(tài)；根據(jù)文章上下文，用此處應(yīng)用一般現(xiàn)在時(shí)態(tài)。故填are used。

【6】

考查固定搭配。句意：部分原因是因?yàn)檫@些農(nóng)藥似乎會在環(huán)境中停留很長一段時(shí)間，持續(xù)危險(xiǎn)。appear to do意為“似乎做某事”，是固定搭配。故填to stick。

【7】

考查介詞。句意：農(nóng)民面臨的一個(gè)持續(xù)的挑戰(zhàn)是如何在保護(hù)蜜蜂的同時(shí)遠(yuǎn)離其他昆蟲。此處表示對農(nóng)民來說是一個(gè)挑戰(zhàn)，a challenge for意為“對……來說是個(gè)挑戰(zhàn)”。故填for。

【8】

考查非謂語動詞。句意：農(nóng)民面臨的一個(gè)持續(xù)的挑戰(zhàn)是如何在保護(hù)蜜蜂的同時(shí)遠(yuǎn)離其他昆蟲。表示“在保護(hù)蜜蜂的同時(shí)”，用“while they are protecting bees”此處可以省略主語和be動詞。故填protecting。

【9】

考查形容詞。句意：美國農(nóng)業(yè)部表示，這個(gè)問題不太可能有一個(gè)神奇的解決方案，但是有很多組織在試圖幫助蜜蜂。根據(jù)句意可知，很多組織在試圖幫助蜜蜂，可以推斷，這個(gè)問題不太可能有神奇的解決方案。故填unlikely。

【10】

考查名詞。句意：美國農(nóng)業(yè)部表示，這個(gè)問題不太可能有一個(gè)神奇的解決方案，但是有很多組織在試圖幫助蜜蜂。分析句子結(jié)構(gòu)可知，此空作there's的主語，且有one magic修飾，應(yīng)用solve的名詞單數(shù)形式。故填solution。

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