The voltage drop across each resistor is the same
The total current flow equals the reciprocal of the sum of the individual currents
The total resistance equals the sum of the individual resistances
The total voltage equals the sum of the individual voltages across each resistance
第1题：
第2题：
Concerning the E.U.，which of the following statements is wrong？（）
第3题：
Which of the following statements is in agreement with McGregor's concepts concerning Theory X and Theory Y managers?
A . Theory X managers view subordinates as being lazy, irresponsible, and resistant to change
B . Theory Y managers view subordinates as being imaginative, creative, and willing to accept responsibility
C . Theory X managers tend to be autocratic whereas Theory Y managers are more likely to delegate responsibility
D . A and B.
E . All of the above
第4题：
Special tools are required for lapping or grinding
It is impossible to throttle flow with a butterfly valve
To close the valve, it is only necessary to turn the handle a quarter of a turn
The butterfly valve should never be used in a freshwater system
第5题：
c=d
l and k are parallel
m and l are perpendicular
第6题：
Which of the following statements concerning intellectual property is wrong？（）
第7题：
Energy can be created or destroyed
Energy may not be transformed
The total quantity of energy in the universe is always the same
None of the above
第8题：
A language change is inevitable
B language change is abrupt
C language change is universal
D language change is extensive
第9题：
Cargoes are any type of goods transported by any type of ships
Cargoes are goods transported in bulk
Cargoes usually include goods transported in bulk and in containers
Cargoes are usually packaged in containers
第10题：
Heat is given off from a high temperature region known as a heat sink
Heat transfer rate is affected most by the size of the heat sink involved
Heat transfer rate is affected most by the temperature difference between the heat source and the heat sink
Heat transfer by radiation will occur only by mass motion of a fluid substance