煤中全水分小于20％时，同一实验室两次平行测定结果的允许误差是（）。
A.0.4％
B.0.5％
C.0.6％
参考答案：A
This football player was accused of taking money for not scoring goals ______.
A．by chance
B．on end
C．in turn
D．on purpose
The news of the newly-elected president’s coming to China for a visit was ______
on the radio just now.
A．given away
B．given in
C．given off
D．given out
