
Task 9 A -- improving your immune system B -- increasing your blood circulation C -- strengthenin...( ) 帮助对抗压力 ( ) 使你更富有活力


生物碱的碱性强弱与什么有关?
阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
No one is sure how many Americans belong to reading groups called book clubs. Yet 61 (publisher) and bookstores report that more and more people throughout the United States are joining 62 (they).
Most of the clubs work the same way. Members read the same book at the same time. Then they meet to talk about the book. Members may be friends or people 63 live near each other. Some Americans belong to reading groups on 64 Internet. These groups include people around the world who communicate about books they read. They send electronic mails instead of gathering 65 (discuss) books.
Most reading groups study books by 66 (variety) writers. However, some groups read the work of a single writer, 67 (usual) one that has been famous for a while. Other groups may 68 (name) for an important person in the work of the writer, 69 a Sherlock Holmes Club. Members of these book clubs often are experts about their 70 (choose) reading materials. One member of a Holmes reading group, for example, can identify almost every person in every Sherlock Holmes story.