1 . They appeared surprisingly _______________ (悲观的) about their chances of winning the match.(根据汉语提示单词拼写)

2 . Health experts said the study proved that whole grains were ________(有益的) to health. （根据汉语提示单词拼写）

3 . To solve this problem, it needs more open discussion and more ________ (自我批评的) thinking. （根据汉语提示单词拼写）

4 . It’s ________(典型的) of him to be late for this important meeting.（根据汉语提示单词拼写）

5 . Many animals and plants are in danger of extinction because of g________ warming. (根据首字母单词拼写)

6 . Hot pot is a very t________ dish in Sichuan, which is popular nationwide as well. （根据首字母单词拼写）

7 . This will provide a good reference for our choice of a ______ (称职的) marketing manager. (根据汉语提示单词拼写)

8 . The ability to speak f______ English is one of his many attainments (成就). (根据首字母单词拼写)

9 . Under the law, everyone is considered i______ until proved guilty.(根据首字母单词拼写)

10 . Experts believe that a significant c________ factor in many accidents is the lack of sleep among workers.   (根据首字母单词拼写)