Question

【题目】Complete the following passage with the words in the box. Each can only be used once（将下列单词填入空格。每空格限填一词，每词只能填一次）

A. keen B. lied C. locate D. trained E. lay

Dogs are known to help humans to protect farm animals, find illegal drugs, and rescue people during natural disasters. But did you know that dogs can also be【1】to help protect plants and animals?

Due to their 【2】sense of small and their high energy level, dogs can be taught to look for alien species（物种）that endanger local plants and animals. For example, in the United States, over 50 million ash trees have been killed by a particular type of beetle from Asia. The females of these insects【3】their eggs in the tree’s bark. Their young feed on the wood, killing the tree. Since these insect are almost impossible for humans to 【4】, dogs have been brought in to find them out so that humans can take action.

A. deserve B. items C. surprising D. unfortunately E. surprised

Similarly, dogs protect animals that are endangered by illegal hunting. From shark’s fin to tiger fur, animal products are sold and traded globally. But dogs’ smelling for these products at boarders can make those 【5】 harder to sell, which means fewer animals are likely to be killed.

Of all the ways dogs protect endangered animals, smelling for their waste is probably the most【6】. Scientists can actually learn a lot from animal waste samples. They can then use these pieces of information to help protect the animal. But 【7】 , depending on the size and location of the animal waste, finding it can be difficult.

For protecting endangered species in so many ways, dogs certainly 【8】our thanks. They’ve become not just man’s best friend, but the environment’s best friend, too.

Answer 1

【答案】

【1】D

【2】A

【3】E

【4】C

【5】B

【6】C

【7】D

【8】A

【解析】

本篇文章难度适中，主要讲述狗不但可以帮助人们保护农场动物、寻找违法药品以及拯救人们，而且他们可以被训练来帮助保护一些植物和野生动物。

【1】句意：但是你知道狗也可以被训练来保护植物和动物吗？

根据Dogs are known to help humans to protect farm animals, find illegal drugs, and rescue people during natural disasters“众所周知，狗可以帮助人类保护农场动物，找到非法毒品，在自然灾害中救人”以及全文可知，狗爷可以被训练来帮助保护动植物，train训练，且根据空前be可知，用被动语态结构，故选D。

【2】句意：由于它们敏锐的嗅觉和旺盛的精力，人们可以教它们寻找危及当地动植物的外来物种。

根据句式可知，空处用形容词修饰名词sense，且表示“敏锐的嗅觉”，keen敏锐的，故选A。

【3】句意：这些雌性的昆虫在树干里产卵。

根据全文可知，用一般现在时，且根据空后their eggs可知，表示“产卵”，lay下蛋，产卵。故选E。

【4】句意：由于这些昆虫几乎不可能被人类找到，所以人们把狗带进来寻找它们，以便人类采取行动。

根据dogs have been brought in to find them“狗被带来寻找他们”可知，人们无法查找他们。locate查找……的地点，且根据空前to可知，用动词原形，故选C。

【5】句意：但是，在边境狗对这些产品的嗅觉让这些物品很难售卖。

根据空前these可知，空处用名词的复数，且根据 From shark’s fin to tiger fur, animal products are sold and traded globally可知，空处指代是鱼翅、虎皮以及动物制品，用items，故选B。

【6】句意：在狗保护濒危动物的所有方式中，闻它们的粪便可能是最令人惊讶的。

根据空前the most以及句意可知，空处用形容词，且表示“闻粪便来保护濒危动物这种方式是令人惊讶的”，surprising令人惊讶的，故选C。

【7】句意：但是，不幸的是，根据动物粪便的大小和位置，很难找到它们。

根据句式可知，空处修饰后面的一句话，所以用副词形式，且根据They can then use these pieces of information to help protect the animal“然后他们可以利用这些信息来保护动物”以及but可知，表示转折，译为“不幸的是，根据动物粪便的大小和位置，很难找到它们”。故选D。

【8】句意：在这么多方面保护濒危物种，狗当然值得我们感谢。

根据句式可知，主语为dogs，宾语是our thanks，所以空处用谓语，且根据For protecting endangered species in so many ways“在这么多方面保护濒危物种”可知，狗是值得感谢的。deserve值得，故选A。