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1、1. We use words and body language in our _ with other people.,interactions,the interaction between performers and their audience,Price is determined through the interaction of demand and supply.,interactive adj.,interact v. interact with,interactive whiteboard,I prefer shopping online , as it offers
2、 _options.,various/,2. There are many flowers _ in color and size . The students work varies considerably/greatly in quality. The color of the leaves varies with the season. Pulse rates vary slightly from individual to individual. In our school, the class numbers vary between 24 and 26.,vary v. vari
3、ous /varied adj. diverse variety n. a large /wide variety of,a vast/an enormous variety of,varying,3. His casual clothes are not appropriate for a public place.,an education system which is moreappropriate to the needs of the students,Its not appropriate to jump the line.,behave appropriately adv.,i
4、nappropriate,4. Scientists have found that when we feel proud and powerful, we usually straighten up to make ourselves bigger. By/In contrast, when we feel powerless, we tend to slump, making ourselves smaller.He was a loud friendly man. By comparison, his brotherwas rather shy.By comparison with ot
5、her recent video games, this one isnt very exciting.,disapprove v.,approval n. disapproval,5. approve sth 批准，认可 The government has approved a program of economic reforms. approve (of sth) 赞成，同意 He seemed to approve of my idea. I approve of your earning some money in your spare time.,approving adj. an approving look disapproving,