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根據(jù)所掌握的文化或背景知識(shí)，選擇正確答案。

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

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

2. Which sign means No Spitting?

    A.         B.       C.   D.

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

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

4. 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

5. _______ is the largest fresh lake in China.

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

6. In Australia, after you do something well, “______” will often be said to you.

       A. Well done          B. Good job           C. Good on you     D. congratulations