【单选题】关于活塞式空压机的以下说法中,正确的是——
【简答题】When does a neutron from one atom collides with the nucleus of another atom, a chain reaction can occur.
【单选题】It is implied in the third paragraph that ______.
A.
the Beatles had no appetite for fame
B.
the audience were unhappy about the sound effect
C.
pop musicians get easily tired as they are under great pressures of life
D.
the screaming of the fans prevented the Beatles from performing happily and creatively
【单选题】It is implied in this passage that to protect shark from extinction,the most important thing to do is_______.
A.
to persuade restaurants to quit shark-fin soup in banquet
B.
to take courage to go against bad cuisine culture
C.
to spot and make up folthe loophole in law
D.
to do more research to enhance the breeding capability of sharks
【单选题】It is implied from the passage that you'd better look at life as a test when______.
A.
you try to get the meaning of the poster
B.
your parents give you much pressure
C.
you are carrying out an experiment
D.
you are in a rocky journey
【单选题】It is implied in the first two paragraphs that
A.
it was a mercy that Jeff Bezos took over the valueless Washington Post.
B.
the decline of professional journalism has been around for a while.
C.
the decline of English will have a huge impact on other languages.
D.
professional journalism has been put at risk by the internet boom.
【单选题】It is implied in the last paragraph that ______.
A.
industrial products are more important to life system than natural environment areas
B.
it is only on islands that true nature reserves exist
C.
we have forgotten what our original countryside looked like
D.
industrial development should take the responsibility for the reduction of our natural environment areas