问题
单项选择题
一个容器内储有1mol氢气和1mol氦气,若两种气体各自对器壁产生的压强分别为p1和p2,则两者的大小关系是:()
A.p1>p2
B.p12
C.p1=p2
D.不能确定
答案
参考答案:C
一个容器内储有1mol氢气和1mol氦气,若两种气体各自对器壁产生的压强分别为p1和p2,则两者的大小关系是:()
A.p1>p2
B.p12
C.p1=p2
D.不能确定
参考答案:C
小题2:We began to know each other _______ (逐渐地) 小题3:As a member of the skating club, he is a________ in each game. 小题4:You should not talk about things that don’t c______ you.
小题7:There are v (各种各样的) kinds of theme parks all over the world. 小题8:We used to listen to the radio a lot, but n__________ we mostly watch television. 小题9:He went to London without having a any success. 小题10:The girl walked ________(自信地) on to the stage, ready for her first speech. |