1.The famus music piece, Ninth Symphony, was written by ___________.

A. Marthin Luther King, Jr.          B. Beethoven

C. Mother Teresa                  D. Howard Carter

2. Who was the inventor of the seismography?

A. Bill Gates     B. Alexander Bell     C. Zhang Heng      D. Thomas Alva Edison

3. Bill Gates has made great contributions to __________.

A. the development of software      B. freedom of slaves

C. civilization of culture            D. the development of lights

4. Look at the pictures in the “Welcome to this unit” part, what do you think these people have in common?

A. They are all intelligent           B.  They have all succeeded

C. They are not all hard working     D. They are not in different times.