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【单选题】
子宫颈癌的癌前病变是A.
子宫颈鳞状上
B.
子宫颈息肉
C.
子宫颈上肿瘤（CIN）
D.
子宫颈腺囊肿
E.
子宫颈重度糜烂
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举一反三
【单选题】There are lots of () on the train to the North Pole.
A.
singers
B.
kids
C.
parents
D.
ghosts
【单选题】The is one of the necessary instruments in the North Pole exploration.
A.
compass
B.
passage
C.
message
D.
progress
【单选题】It can be inferred that Saunders' journey to the North Pole ______.
A.
was accompanied by his old playmates
B.
set a record in the North Pole expedition
C.
was supported by other Arctic explorers
D.
made him well-known in the 1960s
【单选题】I am still dabating in my mind_______ to accept the job.
A.
if
B.
though
C.
whether
D.
that
【简答题】When the North Pole is tilted away from the sun,
【单选题】________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.
A.
Until
B.
Unless
C.
As long as
D.
Even if
【单选题】What is a reason WHY there is no ice in the ponds near North Pole?
A.
The ice was used to make ice sculptures.
B.
Ice carvers from around the world came to North Pole.
C.
Snowfall kept ice from forming on the ponds.
D.
North Pole cancelled its ice sculpture park.
【简答题】According to the passage, the best time to go for the North Pole exploration is ______.
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