【简答题】______ is the amount of heat necessary to raise the temperature of exactly one gram of a material by exactly one degree (1℃ or 1K). A) Heat capacity B) Specific heat C) Thermal conductivity D) Coeffi...
【单选题】No one knows exactly how many disabled 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 double th...
A.
there are many disabled people in the world
B.
the number of disabled people in India is the greatest
C.
India has much more disabled people than Canada
D.
it is impossible to get an exact figure of the world' s disabled people