解析:
47):冠词 a判断本处应为名词,且可数。从下文线索I couldnt understand anything,判断,本处应为贬义色彩的名词。在名词性备选词A)、E)、G)、N)中,只有E) nightmare符合要求。
48):通过句子结构判断,缺省信息为谓语动词,根据全文时态,备选项A)排除动词词性;通过and连接的平行结构可知,答案与came home in tears , and thought about dropping out.并列构成贬义色彩。在动词备选词B)D)I)M)中,只有I)hid符合要求。
参考答案:
47)E 48)I 49)F 50)D 51)J 52)B 53)L 54)H 55)C 56)G
附二:新四级考试真题解析
EI Nino is the name given to the mysterious and often unpredictable change in the climate of the world. This strange 47 happens every five to eight years. 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℃。
The warning 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 .
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