第1题:
第2题:
第3题:
is
are
has been
have been
第4题:
in case of
so
lest
as
第5题:
Inhabitants on an isolated island.
The Ancient Greeks.
A great psychologist.
A scientist.
第6题:
第7题:
第8题:
constrained
compulsory
cardinal
conventional
第9题:
had not allowed, would not have
had not allowed, would not have had
didn’t allow, would not have
didn’t allow, would not have had
第10题:
on
to
so
it
第11题:
One that has a shocking beginning.
One that challenges the readers to think.
One whose title is listed on the cover.
One that has a good ending.
第12题:
第13题:
They will be the first tours that get out of the earth’s orbit.
The number of tourists will be reduced.
They are less dangerous than travelling to Mars.
The number of tourists will not be too large.
第14题:
第15题:
第16题:
To illustrate a problem with examples.
To provide tips for solving a problem.
To indicate the results of a problem.
To reveal the causes of a problem.
第17题:
The recruiters and the interviewers.
Four don’ts when dealing with recruiters.
Don’t request special treatment.
Don’t ask for insider information.
第18题:
第19题:
She was the first to learn about it.
The third tree that I planted was cut down by someone again.
This was the first increase since the second quarter of 2008.
How many do you want? —I want two.
第20题:
the
much
more
enough
第21题:
the risk of sleep deprivation.
our concern about good health.
one possible cause of early death.
our ignorance about the lack of sleep.
第22题:
when immediately
soon
immediately
suddenly
第23题:
第24题:
Foreign visitors in the US.
Foreign investors.
Exporters of America.
American visitors to other countries.