1 . One of the most __________ (strike) features of Beijing Opera is that the performers often sing with very high voices. (所给词的适当形式填空)

2 . These paintings are ________ [ ‘væljuəbl ]. (根据音标单词拼写)

3 . He took an active part in ________ (志愿的) service every summer holiday. (根据汉语提示单词拼写)

4 . You should ask for some p________ help if you can’t deal with the problem by yourself. (根据首字母单词拼写)

5 . I said no to_____ (塑料制的) or paper bags at stores. (根据汉语提示单词拼写)

6 . She researched hundreds of traditional recipes ______ (connect) to anti-malarial cures. (所给词的适当形式填空)

8 . It’s not r________(现实的，实际的) to expect people to spend that much money on wedding gifts. （根据中英文提示填空）

9 . She received awards for her a________ (学术的) achievements. (根据中英文提示填空)

10 . Even if you can’t cook, you’ll find these meals quick and c__________(方便的) to prepare. (根据中英文提示单词拼写)