people did little know
people little know
little did know
little did people know
第1题:
No more than twenty years passed ( ) laser was first invented.
A、after
B、since
C、before
D、when
第2题:
The Prize in Economics()in 1968, that is, more than half a century ago.
A. establish
B. established
C. was established
第3题:
A、rather than; other than
B、other than; except
C、other than; rather than
D、besides; except
第4题:
第5题:
A.I have not done this yet.
B.Less than 6 months
C.More than 6 months but less than 1 year
D.1-2 years
E.2-3 years
F.More than 3 years
第6题:
Having been working in logistics for 3 years, he is more()than he used to be.
A、 proud
B、 brave
C、 confident
第7题:
Compared with parents of 30 years ago, today's parents ( ).
A. go to clubs more often with their children
B. are much stricter with their children
C. care less about.their children's life
D. give their children more freedom
第8题:
I started my teaching career at the school. That was more than twenty years ago, and I _____ there ever since.
A. was
B. had been
C. will be
D. have been
第9题:
was designed many years ago,with a goal in mind:transmitting the human voice in a more-or-less recognizable form.
A.DWDM
B.PSTN
C.internet
D.WLAN
第10题: