Currently, many American women are still faced with the ________ of choosing between work and family commitments.

A．desperation B．confusion

C．dilemma D．concern

Some students think they enjoy reading just out of interest, but others argue that a better score is their main ________.

A．recognition B．attraction

C．occupation D．motivation

—What does PM2.5 mean?

—It's a professional ________ indicating the condition of air pollution.

A．term B．item

C．number D．mark

We need an effective strategy to help children living in ________ poverty to have the opportunity to receive ________ good education.

A．/；a B．a；/

C．/；the D．the；a

The actress received an award for her ________ to charity work.

A．addiction B．devotion

C．allowance D．application

According to ________ People's Daily article, 40% of the lakes in Jiangsu have dried up in ________ past 30 years.

A．the；a B．不填；the

C．a；the D．不填；a

Liu Yang is ________ first woman astronaut in China who reached ________ space.

A．不填；the B．the；不填

C．the；the D．a；a

One hundred thousand years ago, ________ choice was simple when it came to ________ drink—there was no choice. It was water or nothing.

A．the；a B． a；不填

C．the；不填 D．a；the

In recent years, many mainland residents have rushed to Hong Kong to buy baby milk powder due to their ________ about its quality.

A．anxiety B．curiosity

C．generosity D．attention

________ walk is expected to last all day, so bring ________ packed lunch.

A．A; a B．The; /

C．The; a D．A; /