If you come across faults but you still want the bicycle, ask the shop assistant to reduce the price.【高考试题】If you ______ faults but you still want the bicycle, ask the shop assistant to reduce the price. (2011安徽卷)A. come across B. care about C. look for D. focus upon【答案解析】答案为A。come across在此表示“发现”。句意为：如果你发现这辆自行车有毛病但还是想要，你就要求这家商店的营业员减价。比较四个选项的意思：◆come across (1) 被理解(不及物)：What he said did not really come across. 他说的话没有被很好的理解。(2) 给予印象(不及物)：He came across well to my mother. 他给我母亲的印象很好。(3) (偶然)发现或遇见：Perhaps I shall come across him in Paris. 也许我会在巴黎见到他。◆care about(1) 感兴趣，关心，关注：The only thing he cares about is money. 他只在乎钱。They don’t care about this kind of thing. 他们对这种事不感兴趣。(2) 担心，担忧：Don’t you care about your country’s future? 你难道不为自己国家的前途担忧吗？◆look for (1) 寻找：I’ve looked for it everywhere. 我到处找过它了。You are looking for trouble. 你是在自找麻烦。(2) 期待，指望：We shall be looking for an improvement in your work this term. 我们期待你这学期学习进步。It’s too soon yet to look for results. 现在就指望有结果，未免为时过早。◆focus on(1) 把（光）在…上聚成焦点：If you focus bright sunlight on dry wood with a magnifying glass，it will start burning . 用放大镜把强阳光聚焦到干柴上，干柴就会燃烧起来。(2) 思想集中到…上：We must focus our attention the question of reducing costs. 我们必须把注意力集中到降低成本这个问题上。The audience focused its attention on the speaker. 听众把注意力都集中在演讲者身上。She focused her mind on her lessons. 她把她的心思都集中在学习上。(3) 重点是；中心是：This year our meeting focuses on the question of children’s rights. 今年，我们的会议中心议题是儿童的权益。 说明:引用此文请注明出处,并请保留该文章链接地址,谢谢~~