II.Vocabulary and Structure(15 points) Directions:There are 15 incomplete sentences in this section.For each sentence there are four choices marked A,B,C and D.Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet. 6.I asked two passers-by how to get to the new railway station,but___of them knew it.
A、none
B、either
C、neither
D、both
52.According to Paragraph 1,which of the following statements is TRUE of Mark Twain?
A、He left behind lots of money.
B、His works were written for children.
C、His works are full of adventures.
D、He is famous for his great works.
48.Why did M.S.Hershey start the production of chocolate bars?
A、He was deeply impressed by the Columbian Exposition.
B、He realized that it was possible for chocolate to become popular.
C、There was nothing to produce in his factory in Lancaster.
D、He was interested in the chocolate machinery displayed at the fair.