Our planet is about ______ years old.
A. 35,000 B. 4600 C. 4600 million D. 500 million
______ can cause high blood pressure and hearing problems.
A. Air pollution B. Water pollution C. Light pollution D. Noise pollution
______ is one of the greatest scientists, who won the Nobel Prize for physics.
A. Yuan Longping B. Bisheng C. Yang Zhenning D. Zheng He
________is the largest freshwater lake in China.
A. Dongting Lake B. Poyany Lake C. Qinghai Lake D. Hongze Lake
_________is the Chinese tradional holiday.
A. Father’s Day B. Teachers’ Day C. Christmas D.the Mid-autumn
In Australia, after you do something well, “______” will often be said to you.
A. Well done B. Good job C. Good on ya, mate D. congratulations
