Who said “Learn the new while reviewing the old” in ancient China?

    A. Lao Zi           B. Mencius      C. Sun Zi           D. Confuius

It’s necessary for human beings to breath _______ and plants can produce it.

    A. CO2          B. H2           C. O2           D. N2

In ancient China, Huabiao was set up to encourage people to carve _______ on.

    A. their names      B. the good things  C. the Emperors’ names  D. their suggestions

_______ is the largest fresh lake in China.

    A. Dongting Lake    B. West Lake        C. Poyang Lake  D. Tai Lake

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

_________is the Chinese tradional holiday.

    A. Father’s Day B. Teachers’ Day    C. Christmas    D.the Mid-autumn

________is the largest freshwater lake in China.

    A. Dongting Lake        B. Poyany Lake      C. Qinghai Lake     D. Hongze Lake

______ is one of the greatest scientists, who won the Nobel Prize for physics.

    A. Yuan Longping            B. Bisheng      C. Yang Zhenning        D. Zheng He

______ can cause high blood pressure and hearing problems.

    A. Air pollution    B. Water pollution      C. Light pollution  D. Noise pollution

Our planet is about ______ years old.

    A. 35,000               B. 4600             C. 4600 million     D. 500 million