（1）What does Mr White do？
A．He is a cook．
B．He is a doctor．
C．He is a science teacher．
（2）How does Mr White usually go to work？
A．By car．
B．On foot．
C．By bus．
（3）How many inventions has Mr White made so far？
A．Fourteen．
B．Twenty-four．
C．Forty．
（4）What was Mr White's first invention used for？
A．Washing clothes．
B．Cutting grass．
C．Planting rice．
（5）When was Mr White's most important invention finally made？
A．In 2013．
B．In 2002．
C．In 2012．