1 . “Hard” is _______ opposite of “soft”.

2 . It is ________special opportunity to learn and grow. （用适当的词填空）

3 . The young man received ________ reward of $1,000 from the police for his help with the crime. (用适当的词填空)

4 . The manned spacecraft can reach ___speed of 11.2km per second with the development of advanced technology. （用适当的词填空）

5 . Emojis are becoming ___ ______ ________of the language.(一个不可缺少的组成部分)（根据汉语提示完成句子）

6 . There is ___ ______ ____________among employers to hire casual staff.
雇主雇用临时职员有增加的趋势。

7 . Too much rich food is not good for us and we should eat _____ healthy，balanced diet. (用适当的词填空)

8 . We decided to brave ________ elements and finish our task as planned. (用适当的词填空)

9 . My sister is ________   graduate of Peking University. （用适当的单词填空）

10 . She got into ________ panic when she couldn't find the exit. （用适当的单词填空）