吹、注塑设备液压油超温的判定方法是()
A、查看液压油温度计或查看操作盘上液压油温度的显示
B、用手触摸液压油
C、用感温枪测试
D、以上均不正确
参考答案:A
He ______ a book about his adventures in Tibet. I hope he can find a good publisher when it is finished.
A.was writing
B.wrote
C.has already written
D.is currently writing
下列关于黄土高原的叙述,正确的是[ ]
A.地面崎岖不平,是个多山的高原
B.石灰岩广布,喀斯特地貌发育
C.是世界上黄土分布最广、最厚的地方
D.高原上多沟谷、湖泊