耐火浇注料炉衬()后,其炉衬表面裂纹()不应大于3mm,连续()不应大于500mm。
参考答案:烘炉;宽度;长度
She said she____________ me five letters in one month[ ]
A. has written
B. will write
C. had written
D. wrote
2009年按企业组织形式分组的全国法人单位及从业人员情况
港澳台投资企业法人单位所占比重比外商投资企业的比重多( )个百分点。
A.1.2
B.0.6
C.0.8
D.1.4