【单选题】________ children whose parents had died in the earthquake ________ sent to other families. [ ]
A.
A great number of; was
B.
A large number of; were
C.
The great number of; was
D.
The great number of; were
【多选题】按货物的移动方向划分,国际贸易可分为( )
【多选题】按货物移动的方向划分,国际贸易可分为()。
【多选题】按货物的移动方向划分,国际贸易可分为()
【简答题】按照货物移动的方向划分,国际贸易可以分为哪些种?
【判断题】单个齿距偏差的测量方法与齿距总偏差的测量方法不同。