He was a natural singer with a voice that was as clear as_________.
A.a water fall
B.a lake
C.a mirror
D.a bell

Governments shoud __________ international laws against terrorism.
A.bring about
B.bring up
C.bring back
D.bring in

Students can __________ a lot of information just by attending class and taking good notes of the lectures.
A.read
B.transmit
C.provide
D.absorb

Simple sails were made from canvas __________ over a frame.
A.was stretched
B.stretched
C.a stretch
D.it was stretched

“Jane is really conscientious, isn’t she?”
“Absolutely. ___________, she is very efficient”
A.All the same
B.So
C.Still
D.What is more

- “What do you do for a living?”
– “___________.”
A.I get a high salary, you know.
B.I want to be a doctor, I guess
C.I work in a bank
D.It’s hard work, you know.

She brought three children up __________.
A.single-minded
B.single-handedly
C.single-mindedly
D.single-handed

What does the passage mainly discuss?
A.Influence of climate changes on human lifestyles.
B.Global warming and species migration.
C.Effects of global warming on animals and plants
D.Global warming and possible solutions

According to paragraph 2, when their habitats grow warmer, animals tend to move _______.
A.south-eastwards and down mountainsides towards tower elevations
B.towards the North Pole and down mountainsides towards tower elevations.
C.towards the poles and up mountainsides towards higher elevations
D.north-eastwards and up mountainsides towards higher elevations

According to the passage, if some species are not able to adjust quickly to warmer temperatures, ________ .
A.they move to tropical forests.
B.they will certainly need water
C.they can begin to develop,
D.they may be endangered