德国鲁尔区的主导工业是钢铁和煤炭工业,同时也是20世纪50年代以来衰落最明显的企业部门。导致鲁尔区的衰落的主要原因是( )①生产结构太复杂 ②新技术革命的冲击 ③煤炭的能源地位提高 ④世界性钢铁过剩
_______sweet the flowers smell in spring!
Yes,many tourists come to enjoy them every day.( )
A.WhatB.HowC.What aD.How a
Did you see a girl with an English book in her hand pass by just now?
No,sir.I ____ a magazine.( )
A.readB.am reading
C.was readingD.would read
I'm worried about tomorrow's talent show.
Be confident! If you don't believe in yourself, ____ will.( )
A.nobodyB.anybodyC.everybodyD.somebody
It was late.She opened the door______ because she didn't want to wake up her parents.( )
A.heavilyB.loudlyC.quietlyD.angrily
Some people won't realize the importance of their health ____ they lose it.( )
A.becauseB.afterC.whenD.until