单项选择题


A．He doesn’t know Jack.
B．He forgets to ask Jack.
C．Jack knows a lot about digital camera.
D．Jack probably knows nothing about digital camera.
<上一题 目录 下一题>
热门 试题

单项选择题
It can be inferred from the passage that the most dangerous by-product of uranium mining and milling is ______.
A．solid mining wastes
B．the slurry in which the waste is stored
C．the radon gas that is emitted by the waste
D．the uranium that is recovered in the mining operations
填空题
C
相关试题