【单选题】Which is ______ , the new one or the old one?
【单选题】Which one is the best topic sentence?
A.
Over half a million U.S. high school athletes participated in outdoor track and field events last year.
B.
The sport of track and field is very old.
C.
The sport of track and field has increased in popularity in recent years.
【单选题】_______是会议服务的首要和必要程序。
【单选题】Which one of the following is mentioned as one reason why the old-aged population dramatically increases in the 20th century?
A.
We have a larger total population.
B.
More accident victims can survive due to improved medical care.
C.
More children were born so that the old can be better taken care of,
D.
Less newly-born children and the mother bearing them die.
【判断题】清洁生产的最终目的是保护环境与社会可持续发展。
【单选题】目前,( )项遗产列入《世界遗产名录》,39项遗产列入人类非物质文化遗产代表作名录,均居世界第一位。
【单选题】Of all the following things, which one is not appropriate as the gift for the old people’s birthday?