2 . 1969. she became the head of the project in Beijing, and decided to review ancient Chinese medical texts__________(find) traditional botanical treatments for the disease.

A．finding

B．found

C．to find

D．founded

3 . __________a lower temperature to draw out the extract, she found a substance that worked.

A．Using

B．Used

C．To use

D．To be used

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

A．of

B．for

C．to

D．with

6 . Later, the medicine was tested on malaria patients, most of__________ recovered.

A．which

B．who

C．whom

D．whose

7 . The Internet has made it possible for friends and family to keep in touch easily__________ they are on opposite sides of the world.

A．as if

B．what if

C．even if

D．if only

8 . Einstein was not only a genius, he was a courageous and kind figure__________ by many people.

A．loving

B．loved

C．to love

D．was loved

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

A．On

B．In

C．At

D．From