1 . The policemen were ordered to s________ any prisoner trying to escape with their guns. (根据首字母单词拼写)

2 . Tom does exercise to s________ (加强) his muscles. (根据汉语提示单词拼写)

3 . We did all we could ________ (激励)his creative thinking. (根据汉语提示单词拼写)

4 . She was unable to ______(为……辩护) her action of leaving the important document in her car. (根据汉语提示单词拼写)

5 . In 1969, Tu Youyou was chosen to e________ a team to find a cure for malaria — a disease that killed millions of people every year. （根据首字母单词拼写）

6 . Talent alone isn’t enough to g_____________________(保证) success. (根据中英文提示拼写单词)

7 . In the wilderness, one must possess essential skills to__________(生存). (根据汉语提示单词拼写)

8 . He tried to _______(使印象深刻) his teachers by his beautiful handwriting.

9 . It is not easy to b____ yourself when you first try skating.

10 . She used to ________ (牺牲) her precious time for meaningless things. (根据汉语提示单词拼写)