1 . The practice of tai chi aims to maintain ______ ______ of yin and yang in the body through opposite movements. Eventually, tai chi brings about a state of physical balance and mental peace. （根据句意填空）

2 . Please be reminded that         speed limit here is thirty miles per hour.

A．不填

B．an

C．a

D．the

3 . ________ earlier online survey showed that ________ majority of Chinese believe Yuan Longping deserves a Nobel Peace Prize for his contribution to fighting against world hunger.

A．The; the

B．The; a

C．An; /

D．An; the

4 . If you have _______ chance of studying abroad to research about the local customs and culture, I think living with a host family will be _______ smart choice.

A．a; a

B．the; the

C．the; a

D．a; the

5 . —America had another 160,000 new COVID-19 cases yesterday.
—But ________ news is not ________shock to many Americans, they’re used to it.

A．the; a

B．the; the

C．a; a

D．a; the

6 . It’s wise to keep on ______ good terms with neighbouring countries, which will be mutually beneficial in ______ long term.

A．/; a

B．the; a

C．/; the

D．the; the

7 . Exercise has lots of benefits, one of ______ examples is that it can promote better health. （用适当的词填空）

8 . 这个小镇让我想起我长大的那个地方。（一般现在时; remind; 定语从句）
________________ I grew up.

9 . In my hometown there used to be ________ heavy rain now and then, and the river around ________ town rose a lot after the rain.

A．a, a

B．/, /

C．a, the

D．/, a

10 . As ________ matter of fact, the couple are cleaning their house in _______ preparation for the new baby’s coming.

A．a; a

B．不填; 不填

C．a; 不填

D．the; 不填