题目内容
20.What's this?It's ________.( )| A. | white | B. | a key | C. | watch | D. | a orange |
分析 这是什么?它是一把钥匙.
解答 答案:B,考查名词的词义辨析.句意"这是什么?它是一把钥匙."white白色;a key一把钥匙;watch手表;orange橘子,前面冠词应用an.根据问句What's this?这是什么?可知回答应该是名词单数,并且名词前加冠词a或者an,结合选项,应用a key,即它是一把钥匙.故选B.
点评 理解各个选项的含义,分析句子,根据具体内容作答.
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