同温同压下,下列关于氢气和氯气的叙述中,正确的是: ① 等体积的氢气和氯气所含的分子数相同;② 氢分子间的平均距离和氯分子间的平均距离几乎是相等的;③ 氢分子与氯分子的大小相同;④ 氢分子和氯分子本身的大小对于气体体积影响可以忽略不计。
How much do we need to make a banana milk shake?( )
bananas
apples
coffee
milk
Beijing, capital of China,is city with a long history.( )
the; the
a;a
the;a
/; the
After a long walk, they felt really tied, so they decided to have a restunder the big tree.( )
take a walk
take a break
have a picnic
have a talk
We should respect others, and we mustn't laugh atpeople in trouble.( )
make use of
make faces with
make fun of
make way for
Zhang Hua is good atmath and physics.( )
does well in
falls behind
is strict with
keeps learning