【单选题】在Windows 的'日期和时间属性'对话框中,可按箭头按钮从下拉列表框中选择某一地区的时区,其操作为单击______。
【单选题】在以下哪种情况,“搭便车”问题会出现?( )
【多选题】西方教育史上,主张以儿童为中心的教育学家有
【单选题】在以下哪种情况,“搭便车”问题会出现( )。
D.
有些人消耗了公共物品,并不需要支付其全部费用
【单选题】Beijing's top hotels are fielding scores of calls from foreigners and Chinese people eager to book rooms during the 2008 Olympic Games in the Chinese capital. The luxurious and recently-renovated Beij...
A.
The 2008 Olympic Games will be hold there.
B.
More foreigners want to come to China.
C.
People from the United States and Europe are eager to visit China.
D.
Those hotels can offer good service.