题目内容
12.It is a good habit to wash your hands _______ you have meals.( )| A. | when | B. | unless | C. | before | D. | until |
分析 饭前洗手是一个好习惯.
解答 答案:C;
根据题干结合you have meals可以推测整个句子的意思是"饭前洗手是一个好习惯.",表示"在…以前"用before;when"当…的时候",unless"除非",until"直到"都不符合句意,故选C
点评 本题主要考查连词的用法,连词在句子中主要起联系上下文的作用,他们之间的区别就是表示逻辑关系的不同,所以在解题时先要理解上下文含义,然后根据上下文逻辑关系选择合适的连词.连词的用法都比较多,语义之间还有交叉,熟记其基本应用规则,了解其区别,注意固定搭配对象,是做好此类题型的关键.
练习册系列答案
相关题目
3.The room is a bit untidy now.Why don't you________?( )
| A. | tidy it up | B. | tidy up it | C. | tidy them up | D. | tidy up them |
17.-Look,it _______ be our new headmaster.
-It _______ be him.He went to Shanghai yesterday.( )
-It _______ be him.He went to Shanghai yesterday.( )
| A. | can't; mustn't | B. | can; can't | C. | must; can't | D. | must; may |