如图2中,A1、A2是两个电流表, R是变阻器,L是带铁芯的线圈,AB和CD两支路直流电阻相同,下列结论正确的有(1).闭合K时,A1示数小于A2示数(2).闭合K后(经足够长时间),A1示数等于A2示数(3).断开K时,A1示数等于A2示数(4).断开K后的瞬间,通过R的电流方向与断开K前方向相反
Jack was a little disappointed,he still went on with his work.( )
Although
Because
Since
If
Dick in America,but he has been Chinese food since he moved to China.( )
used to live; used to eating
is used to live; used to eat
is used to live; used to eating
used to living; used to eat
-Look! The man at the gate _____ be our headmaster.He is always standing there every morning.
-No,it_______ be him.He is holding a meeting in the office now.( )
must; can't
must; mustn't
can't; can't
can't; mustn't
In the Name of People(《人民的名义》)is so wonderful that my uncle _____ to see it yesterday evening.( )
picked up
stayed up
set up
took up.
-What do you think of the movie The Fate of the Furious 8?
-It is______! I enjoy it very much.( )
friendly
fantastic
awful
noisy