六级真题词汇强化练习(3)
2007-10-19来源:
46. We shall probably never be able to_________ the exact nature of these sub-atomic particles. A) assert B) impart C) ascertain D) notify 46.【译】可能我们永远无法准确地弄清楚这些亚原子的实质。 【解析】正确选项为C ),属于动词辨析题。 选项C ) ascertain意为“发现;查明”,如:We must ascertain the usual customs of the local people and arrange according.(我们必须了解当地人民的风俗习惯,作做出相应安排。) 选项A ) assert意为“断言”; 选项B ) impart意为“告之,透露”; 选项D ) notify意为“通知,报告”。 47. All the people in the stadium cheered up when they saw hundreds of colourful balloons slowly _________ into the sky. A) ascending B) elevating C) escalating D) lingering
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