题目内容
1.All our officers are trained to defend themselvesagainst/from knife attacks..分析 我们所有的警察都接受过自卫训练,能够对付持刀袭击.
解答 答案:against/from
考查单词填空.defend against/from意为"保护…不受,防御",是固定搭配.
点评 考查单词填空,准确地理解题意、然后根据题意及提示确定所填单词形式,正确写出单词完成答题.
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