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题目

Before you travel to America, make sure you r passport is____.A. validB. insuranceC. visaD. clean

Before you travel to America, make sure you r passport is____.

A. valid

B. insurance

C. visa

D. clean

题目解答

答案

A. valid

解析

本题考查词汇辨析以及对句子语境的理解。解题的关键在于分析每个选项的含义，然后结合句子所表达的“在去美国旅行之前，要确保护照……”这一语境，判断哪个选项最符合逻辑。

A选项“valid”：意为“有效的”。在旅行时，护照必须处于有效的状态才能被认可，这与句子中在去美国旅行前要确保护照的某种状态相契合。
B选项“insurance”：意思是“保险”。护照本身并不是保险，该选项与句子语境不相符。
C选项“visa”：指“签证”。签证是附在护照上的一种许可文件，而不是护照本身的属性，所以该选项不符合要求。
D选项“clean”：有“干净的”意思。虽然护照保持干净是好的，但这并不是去美国旅行前确保护照的关键因素，与句子的核心意思无关。

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