【单选题】The higher limit of the intertidal zone is the:
D.
Lowest edge of the rocky substrate.
【单选题】关于数控机床的产生说法错误的是:
B.
目的解决单件、中小批量精密复杂零件的加工问题
C.
数字控制工作母机的概念起源于1950年代美国
【单选题】The risk of a crash is _________ driving with the legal limit of alcohol in the blood.
【单选题】世界上第一台数控机床是美国在( )年生产的。
【简答题】世界上第一台数控机床是()年()生产的()。
【判断题】西餐分菜时应用叉和匙合作进行服务。( )
【单选题】What evidence do people from the west give to show that a higher speed limit is safe?
A.
The long roads between the cities.
B.
The modem turbo-charged engine.
C.
The economic advantage.
D.
The current policies of Germany and Australia.