题目内容
6.The passwords containing a mixture of letters,figures and symbols are more secure than ____with letters or figures only.( )A. | that | B. | one | C. | those | D. | ones |
分析 考察指示代词.句意:包含字母、数字和符号的混合密码比仅仅含有字母和数字的密码更安全.
解答 答案C.题干中对比的是the passwords,对比项应该用those不用单数形式的that,one代替前文的a+单数名词,根据句意选C.
点评 平时牢记每一个指示代词的具体用法.
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