下列关于原核生物和真核生物的叙述,正确的是
Do you know ______ a 5﹣day trip to Hong Kong costs?
I guess it's about¥4,000.( )
how fast
how long
how soon
how much
Some exchange students _______ with their host families this time yesterday.( )
are chatting
will chat
were chatting
have chatted
Nowadays people wish to have ______ food than before as their life improves.( )
healthy
healthier
healthiest
the healthiest
Alex believes he will soon be able to play chess as ______ as the computer.( )
well
better
best
the best
Did the policeman give much _______ on how to protect personal information?( )
note
tip
advice
book