低合金高强度钢一般都属于()。
A.沸腾钢
B.半镇静钢
C.镇静钢
D.特殊镇静钢
参考答案:C
She has two plates. One is empty, and ____ is full. [ ]
A. others
B. another
C. other
D. the other
当工程量的变化直接造成该项工作单位成本的变动超过( )时,宜对有关工作内容采用新的费率或价格。
A.0.01% B.0.10% C.1% D.10%