Which of the following statements about Parkinson's disease can be best supported by the passage？
A. Parkinson's disease will become one of the leading causes of death for the old people.
B. Parkinson's disease is not entirely one of the aged, as half of the patients are young people.
C. Parkinson's disease first appeared in the 19th century.
D. Parkinson's disease is a neurological disorder, but not yet a neurodegenerative illness.
Man will probably explore______.
A. areas on which spaceships can land
B. only the largest planets and satellites
C. only a few of the large planets
D. all the land in space
The use of forks became common in English ______ .
A. earlier than in Constantinople
B. at the same time as in Italy
C. earlier than in any other European country
D. about 600 years after forks came to Europe
听力原文：Did your sister travel to Beijing from Wuhan by train or by plane？
(4)
A. She likes planes.
B. She is in Wuhan now.
C. She flew there.
D. She likes Beijing.
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