[概括大意]When a consumer finds that an item she or he bought is faulty or in some way does not live up to the manufacturer‘s claim for it， the first step is to present the warranty(保单)， or any other records which might help， at the store of purchase. In most cases， this action will produce results. However， if it does not， there are various means the consumer may use to gain satisfaction.
The main idea of this paragraph is __________.
[完成句子]Most of us can find 15 minutes or half an hour each day for some regular activity. For example， one famous surgeon always spent 15 minutes reading something before he went to sleep each day. Whether he went to bed at 10 p.m. or 2：30 a.m. made no difference.
You are advised to read something before you __________.
A、find the topic sentences
B、find out the new words
C、keep reading fast
D、go to bed every day
答案解析：本段提到一位著名的医生不管晚上睡得多晚，都要花15分钟读点东西，那已经成为习惯。所以本题说“在你干什么之前，建议你读点东西”，从选项中看只有 D 项合适。