conclude v. 断定，决定
(注意用法：come to a conclusion，jump at a conclusion，draw a conclusion，reach a conclusion)
What conclusions did you come to?(你得出了什么结论?)
12. communicate v. 交流，交际，通讯
communication n. 交流，通讯
communicative adj. 爱说话的
To communicate with him is no easy job， as he is not a communicative person.(他是一个不爱说话的人，与他交流可不容易。)
Speech and writing are man''s most important methods of communication.(说和写是人类最重要的交流方式。)
13. inexact adj. 不正确的，不精确的
与independent一样，该词是由形容词 exact加前缀in- 构成的。
14. incomplete adj. 不完整的
complete adj.& v. 完整的;完成
This is an incomplete sentence， please add the omitted part and make it complete.
〔这是一个不完整的句子，请加上省略的成分使其完整。〕
I don''t think I can complete the work in 2 hours. 〔我想我在两小时内干不完这活。〕
