1 . everyone here，I wish you a pleasant journey back to your journey.

A．By means of

B．On behalf of

C．In search of

D．For fear of

3 . Smart toilets will be keeping constant track_______ your health as well. (用适当的词填空)

4 . We all need to get involved _______ saving energy whether it’s at work, at home, or at school. (用适当的词填空)

5 . You have no idea how she finished the relay race______ her foot wounded so much.

A．When	B．with
C．for	D．while

6 . 这个奖项已经被颁发给了屠呦呦，她的研究直接导致了青蒿素的发现。
The prize has been awarded to Tu Youyou, ____ research directly contributed ________ the discovery of artemisinin.

7 . Spending too much time on computer games may do h________ to our health.（根据首字母单词拼写）

8 . He came down _______ a severe disease last year. (用适当的词填空)

10 . Rather ________ cutting out the foods I enjoyed, I added healthy foods to my meals. (用适当的词填空)