1 . 那时，人们不太关注健康。(定语从句)(汉译英)

2 . 这一传统可以追溯到公元前300年。(date)(汉译英)

3 . R________ of your choice of course, you’ll develop your language ability quickly and effectively. (根据首字母单词拼写)

4 . If offered the chance to be a volunteer, I will do it well and live up to your e________.(根据首字母单词拼写)

5 . If you focus your mind ________ English, you will master the language. (用适当的词填空)

7 . Smart toilets will be keeping constant track__________ your health as well.

A．of

B．for

C．to

D．with

9 . __________addition, your smart home will be monitoring your health for you every day.

A．On

B．In

C．At

D．From

10 . Tu Youyou and her team members even insisted__________ testing the medicine on themselves to make sure that it was safe.

A．on

B．in

C．at

D．from