变速箱运转时箱体温度不超过()℃,油封处在起、停机时允许有微量渗油。
A、70
B、80
C、90
D、100
参考答案:B
Almost all English prepositions ______ look like verbs.
A.when they turn into Chinese
B.when turning into Chinese
C.when they turned into Chinese
D.when turned into Chinese
《国家气象灾害应急预案》中指出,气象灾害预警信息发布遵循()原则。
A.归口管理
B.统一发布
C.科学高效
D.协调有序
E.快速传播