_________(51)




A.realizing
B.noticing
C.imagining
D.solving

_______(16)




A.domain
B.area
C.field
D.branch

The word "detectable" in line 21 is closest in meaning to __________ .




A.beneficial
B.special
C.measurable
D.separable

The phrase "apace with" in line 19 is closest in meaning to ____________ .




A.anew with
B.apart from
C.as fast as
D.at the middle of

"Do you want me to help you with those suitcases?" - " _____ "




A.Of course, not for me
B.No, I can't help you now.
C.You are welcome.
D.No, thanks. I'm perfectly capable of carrying them.

The fate of the flight M 370 is still a mystery. Possibly, it was attacked by terrorists.




A.The flight MH 370 must have been attacked by terrorists.
B.The flight MH 370 should have been attacked by terrorists.
C.The flight MH 370 can't have been attacked by terrorists.
D.The flight MH 370 might have been attacked by terrorists.

We need a proper investigation to get to the bottom of things.




A.read bottom-up
B.climb from the bottom to the top
C.drive up the street
D.find the true explanation or the state of affairs

__________(9)




A.eradicated
B.abolished
C.destroyed
D.erased

Butterflies are a good example for communicating information about conservation issues because they……….........




A.are simple in structure
B.have been given scientific names
C.are viewed positively by people
D.are found mainly in temperate climates

In just three months H.G. Wells wrote the famous classic The Time Machine for what he won a Newberry Caldecott award.




A.just
B.wrote
C.what
D.a