妙手空空 选择填空--新四级选择高分攻略

It starts in the Pacific Ocean and is thought to be caused by a failure in the trade winds(信风), which affects the ocean currents driven by these winds. As the trade winds lessen in 48 , the ocean temperatures rise, causing the Peru current flowing in from the east to warm up by as much as 5 °C.

The warming of the ocean has far-reaching effects. The hot, humid (潮湿的) air over the ocean causes severe 49 thunderstorms. The rainfall is increased across South America, 50 floods to Peru. In the West Pacific, there are droughts affecting Australia and Indonesia. So while some parts of the world prepare for heavy rains and floods, other parts face drought, poor crops and 51.

El Nino usually lasts for about 18 months. The 1981-83 El Nino brought the most 52 weather in modern history. Its effect was worldwide and it left more than 2,000 people dead and caused over eight billion pounds 53 of damage. The 1990 El Nino lasted until June 1995. Scientists 54 this to be the longest El Nino for 2,000 years.

Nowadays, weather experts are able to forecast when an El Nino will 55 , but they are still not 56 sure what leads to it or what affects how strong it will be.

A) estimate

B) strength

C) deliberately

D) notify

E) tropical

F) phenomenon

G) stable

H) attraction

I) completely

J) destructive

K) starvation

L) bringing

M) exhaustion

N) worth

O) strike

参考答案：

47. P phenomenon

48. B strength

49. E tropical

50. L bringing

51. K starvation

52. J destructive

53. N worth

54. A estimate

55. O strike

56. I completely

此处考的是worth这个词的特殊用法。它本是一个形容词，但可用？worth of sth, 来表明价值某物的某东西。

III.总结

选择填空考的是猜测词义的能力，其核心在于通过各种线索来确定词性和意义，从而实现成功匹配。解题方法也相应产生。

先通过词的后缀等对选项进行合理的分类，分不出的可先模糊处理。

再通过文章逐一确定空格所需要的词性和意义。它需要看句子中此词所处的位置，它的周边环境。

有时甚至需要跳出此句，看前文或后文。如指代词/句间连词告诉我们要向前寻找；而段首的抽象表达可能要从下文找到钥匙。