Question

【题目】阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。

Wild elephants that destroy crops and damage trees 【1】(be) a serious problem in many parts of Africa. But there could be a simple and 【2】(relative) safe way to stop them in their tracks, by 【3】(employ) the talents of the tiny African honeybees.

The number of elephants in Kenya 【4】(rise) over the past ten years, with some disastrous results. Not only do these huge animals attack local farms 【5】 they step someone to death an average of once every two weeks. Now a biologist has discovered a possible threat: the elephants are extremely aware 【6】 trees that house honeybee hives.

'I am 【7】(puzzle) why nobody has thought of this before, 'says Fritz Vollrath at the University of Oxford. 'When an elephant knocks a beehive he runs and the bees will follow him for miles. ' He says that placing hives of the honeybees around local farms could be 【8】 effective way to threaten the animals. Vollrath put 30 unoccupied and 6 occupied 【9】(beehive) in some of the trees growing on a bush frequently damaged by elephants. On average the elephants attacked 9 out of 10 trees that didn’t have hives. But 【10】(them) avoided all six trees with occupied hives. The elephants also left along one–third of the trees with empty hives, suggesting that some had learnt not to take the risk.

Answer 1

【答案】

【1】are

【2】relatively

【3】employing

【4】has risen

【5】but

【6】of

【7】puzzled

【8】an

【9】beehives

【10】they

【解析】

这是一篇记叙文。非洲的野象经常出来损害庄稼、树木，甚至造成平均每两星期有一次伤人至死事件，后来人们发现一个奇妙的解决这事的办法，他们利用蜜蜂来制裁这些野象，效果很好。

【1】考查时态。此处是句子谓语动词，本文讲述一般事实，故用一般现在时，主语elephants是复数，谓语动词应用复数形式，故填are。

【2】考查副词。此处应用副词修饰形容词safe，故填relatively。

【3】考查动名词。此处应填employ的动名词形式作为by的宾语，故填employing。

【4】考查时态。此处是句子谓语动词，由over the past ten years判断为现在完成时，主语the number of elephants作主语是第三人称单数，故填has risen。

【5】考查连词。此处考查短语not only…but (also)…“不但…….而且……”，故填but。

【6】考查介词。此处考查短语be aware of “清楚/了解”，故填of。

【7】考查形容词。此处应用形容词作表语，又意为“感到困惑的”，故填puzzled。

【8】考查冠词。结合上下可知，此处意为“一个有效的方式”，是泛指，应用不定冠词，又effective是元音音素开头，故填an。

【9】考查名词的数。根据前文的30和6判断此处用复数形式，故填beehives。

【10】考查代词。此处是句子主语，应用them的主格形式，故填they。

第4小题考查现在完成时

现在完成时表过去的动作对现在造成的影响，其结构为have/has done，常见的标志有：already, yet, since, for, up to/till now, so far, in/during/over the past/last + 段时间。以本题为例：

此处是句子谓语动词，由over the past ten years(在过去10年里)判断为现在完成时，主语the number of elephants作主语是第三人称单数，故填has risen。