下载APP
举一反三
【单选题】No one knows exactly how many disabled (残废的) people there are in the world, but estimates suggest the figure is over 450 million．The number of disabled people in India alone is probably more than doub...
A.
it is possible to get an exact figure of the world's disabled people
B.
there are many disabled people in the world
C.
the number of disabled people in India is the greatest
D.
India has not much more disabled people than Canada
【多选题】划线部分的意义 It includes elements such as ground control stations, data links and other support equipment.
A.
地面控制站
B.
数据链路
C.
遥控飞行器
D.
其他支持设备
【单选题】When George W Bush delivered his State of the Union Address this past January, three words appeared that had not previously been heard from the Oval Office: Switchgrass, stalks and woodchips. Bush’’s ...
A.
George W. Bush
B.
Tom Slunecka
C.
James Woolsey
D.
David Bransby