【简答题】Which material is mainly used in the dental implant nowadays?
【单选题】Nowadays the application of computer is mainly ( ).
A.
scientific computation
【单选题】Nowadays we mainly program for PLC by ______.
A.
the special-purpose programming terminals
B.
the programming panels
C.
the personal computers connected to the PLC
D.
. the programming unit
【简答题】Nowadays, the mainly used database model by many DBMS, such as Access, SQLSever, MySQL, is .
【单选题】Nowadays we mainly program for PLC by ____.
A.
The special-purpose programming terminals
B.
The programming panels
C.
The personal computers connected to the PLC
【简答题】使用价值是交换价值的(),交换价值是价值的(),价值是交换价值的()。
【单选题】听力原文: Nowadays people build ponds mainly for fishing and swimming and for the pleasure of looking at water. No matter why the pond was built, one thing is certain: All kinds of plants and animals will...
C.
To give people the pleasure of looking at water.
D.
To produce water power.