第1题:
●An operating system is (74) .
(74) A. the highest layer of software
B. the lowest layer of software
C. the highest layer of hardware
D. the lowest layer of hardware
第2题:
Air cocks, usually positioned at the_______in a circulating system, is used to get rid of the air in the system.
A.bending joint
B.expansion tank
C.weld
D.the highest point
第3题:
此题为判断题(对,错)。
第4题:
The Interior Plains lie between()and()
Athe Canadian Shield/the Appalachian Region
Bthe Canadian Shield/the Rocky Mountains
Cthe Great Lakes/the Arctic Islands
Dthe Appalachian Region/the Great Lakes
第5题:
A low in a marine weather report is an air pressure system the pressure at the center of which is ______.
A.the highest over the area
B.the lowest over the area
C.higher than 1013 HPA
D.lower than 1013 HPA
第6题:
free press has the function of keeping an eye on the government,and therefore it is called the watchdog of parliamentary democracy. ()
第7题:
An operating system is(74).
A.the highest layer of software
B.the lowest layer of software
C.the highest layer of hardware
D.the lowest layer of hardware
第8题:
A.likely
B.possible
C.probably
D.possibly
第9题:
The 1937 Constitution abolished the Irish Free State and established Eire as ().
Aa constitutional monarchy
Ba parliamentary republic
Ca federal republic
Da socialist country
第10题:
In the IS-IS Designated Intermediate System (DIS) election process, which criteria is used for DIS selection?()