一、单元考点落实练(练基础)(限时：40分钟)
Ⅰ.单词拼写
1．They received hundreds of requests (请求) for more information.
2．Client offers to exchange (交换) his gold ring for a leather bag.
3．Research indicates (表明) that eating habits are changing fast.
4．He thought his marketing plan was perfect, but on the contrary (相反), was not and it failed.
5．Don't let me forget that I owe (欠) you for the concert tickets.
