我国对公务员最低的奖励种类是()。
A.表扬
B.嘉奖
C.授予荣誉称号
D.记三等功
参考答案:B
It was on January, 12th, 2010 __________ a terrible earthquake struck the capital of HaiDi.
A.when
B.before
C.which
D.that
磨煤机的机械轴承温度≤()