1010 1000. 0010 01）5421BCD==
1010 1000. 0010 01）5421BCD==
' s history dates back to the seventh ce...ty in the year 1000.
' s history dates back to the seventh ce...ty in the year 1000.
A．1000.B．100.C．200.D．2000. A: 1000. B: 100. C: 200. D: 2000.
A．1000.B．100.C．200.D．2000. A: 1000. B: 100. C: 200. D: 2000.
有一批电子零件，质量检查员必须判断是否合格，假设此电子零件的使用时间大于或等于1000，则为合格，小于1000小时，则为不合格，那么可以提出的备择假设为t<1000. (是，否)
有一批电子零件，质量检查员必须判断是否合格，假设此电子零件的使用时间大于或等于1000，则为合格，小于1000小时，则为不合格，那么可以提出的备择假设为t<1000. (是，否)
In his store, you can find a wide variety of TV sets with prices________$500_____$1000.
In his store, you can find a wide variety of TV sets with prices________$500_____$1000.
铂热电阻的测温上限为（ ）℃。 A: 500. B: 660. C: 850. D: 1000.
铂热电阻的测温上限为（ ）℃。 A: 500. B: 660. C: 850. D: 1000.
's history dates back to the seventh century in Poland , with the Catholic Church establishing itself in the city in the year 1000.
's history dates back to the seventh century in Poland , with the Catholic Church establishing itself in the city in the year 1000.
When did China develop the woodblock printing? A: Around 700 A B: In 743. C: In 1895. D: Before 1000.
When did China develop the woodblock printing? A: Around 700 A B: In 743. C: In 1895. D: Before 1000.
According to the lectures, how many species have gone extinct on earth?（ ） A: 1000. B: 1 million. C: 1 billion. D: 2700.
According to the lectures, how many species have gone extinct on earth?（ ） A: 1000. B: 1 million. C: 1 billion. D: 2700.
5.保证楼梯通行安全，室外环境使用的楼梯，栏杆扶手高度踏步前缘起应不小于1000. ( )
5.保证楼梯通行安全，室外环境使用的楼梯，栏杆扶手高度踏步前缘起应不小于1000. ( )