听第二篇短文,回答第16至20小题。
()16. When did George Stephenson start to work?
A. In 1789.
B. In 1795.
C. In 1798.
()17. What did George Stephenson often do on holidays?
A. He learnt to read and write.
B. He worked with his father.
C. He studied engines.
()18. What did George Stephenson do when he was seventeen?
A. He began to learn English.
B. He became his father's helper.
C. He wrote his own name for the first time.
()19. How long did George Stephenson work every day?
A. For 8 hours.
B. For 12 hours.
C. For 13 hours.
()20. What was the greatest invention that George Stephenson had invented?
A. The plane.
B. The car.
C. The train.

第三部分 情景问答
你有10秒钟的时间阅读下面的情景提示。之后你将听到两个问题,请根据情景提示的内容,用英语进行回答。注意:每个问题问两遍,每题的答题时间为15秒钟。
请看下面的情景提示:
尽管钱学森在美国过着舒适的生活,是所在领域最受尊敬、最受仰慕的人物之一,但他从未忘记对祖国的热爱。
(1)
(2)