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