【单选题】电源的电动势为3V,内电阻为0.3欧姆,当外电路断路时,电路中的电流和端电压分别是( )
【单选题】电源的电动势为3V,内阻为0.3Ω,当外电路断路时,电路中的电流和端电压分别是:
【简答题】A.spread B.steady C.steal D.threaten
【判断题】釉下彩绘作品中温釉的烧成温度一般为1300度。
【单选题】The developing countries threaten to block further liberalization because they ______.
A.
are now conspiring to keep their markets closed
B.
want their problems and complaints to be dealt with first
C.
cannot afford to deliver benefits in agriculture and textile
D.
want no obligations in intellectual property and anti-dumping
【判断题】Theists threaten people with hellfire and bribe them with promises of eternal bliss, while Asimov merely attempts to look at the universe in a rational way.