题目内容

【题目】阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。

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 (寄生虫) are the most suspected reasons, and a study recently published in the scientific journal. One suggests that neonicotinolds (烟碱类农药) ,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】

1have decreased/have been decreasing

2worse

3an

4why

5are used

6to stick

7for

8protecting

9unlikely

10solution

【解析】

这是一篇说明文。文章说明了几十年来,美国蜜蜂的数量一直在大幅度下降。一项新研究表明,某种杀虫剂可能令情况进一步恶化。

1

考查时态。句意:在过去的几十年里,美国的蜜蜂数量急剧减少。根据时间状语over the decades,可知,谓语动词应用现在完成时态或者现在完成进行时态,且主语为Honeybee populations in the United States,故填have decreased或者have been decreasing

2

考查形容词的比较级。句意:一项新的研究表明,某种杀虫剂可能会使情况变得更糟。根据上下文可知,目前蜜蜂数量急剧减少,可以推断使用某种杀虫剂可能会使事情变得更糟,所以此处作making things的补语,用形容词的比较级worse。故填worse

3

考查冠词。句意:在过去的几年里,蜜蜂的数量并没有太大的变化,但是对于这种在我们食物供应中扮演重要角色的昆虫来说,整体情况并不乐观。此处表示“起着重要作用”,用固定短语play an important role in。故填an

4

考查宾语从句连接词。句意:科学家们还不能确定这为什么会发生。根据句意和结构可知,此处为科学家们还不能确定“这为什么会发生”的原因,是宾语从句,可以用why引导该宾语从句,作原因状语,表示“为什么是这种情况”,即“……的原因”。故填why

5

考查时态和语态。句意:一个研究表明被用于全世界的烟碱类农药和该类杀虫剂,对蜜蜂和其他昆虫有难以置信地毒性。分析句子可知,先行词neonicotinoldstypes of pesticides与“use”是被动关系,表示“被使用”,应用被动语态;根据文章上下文,用此处应用一般现在时态。故填are used

6

考查固定搭配。句意:部分原因是因为这些农药似乎会在环境中停留很长一段时间,持续危险。appear to do意为“似乎做某事”,是固定搭配。故填to stick

7

考查介词。句意:农民面临的一个持续的挑战是如何在保护蜜蜂的同时远离其他昆虫。此处表示对农民来说是一个挑战,a challenge for意为“对……来说是个挑战”。故填for

8

考查非谓语动词。句意:农民面临的一个持续的挑战是如何在保护蜜蜂的同时远离其他昆虫。表示“在保护蜜蜂的同时”,用“while they are protecting bees”此处可以省略主语和be动词。故填protecting

9

考查形容词。句意:美国农业部表示,这个问题不太可能有一个神奇的解决方案,但是有很多组织在试图帮助蜜蜂。根据句意可知,很多组织在试图帮助蜜蜂,可以推断,这个问题不太可能有神奇的解决方案。故填unlikely

10

考查名词。句意:美国农业部表示,这个问题不太可能有一个神奇的解决方案,但是有很多组织在试图帮助蜜蜂。分析句子结构可知,此空作there's的主语,且有one magic修饰,应用solve的名词单数形式。故填solution

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