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举一反三
【简答题】吸收过程所加入分离剂是( )分离剂,精馏过程所加入的分离剂是( )分离剂。
【单选题】What did the pilot do with the plane after it took off?
A.
He quickly climbed and then stopped the engines.
B.
He climbed and then made the plane fall slowly.
C.
He took off normally and then cut the engines for 20 seconds.
D.
He climbed and then made the plane turn over.
【单选题】He is applying everything he learned in photography class at his new job.
A.
using
B.
needing
C.
saying
D.
wanting
【单选题】At photography is a chemical process. during which a light-sensitive material is altered when exposed to light
A.
A its most basic
B.
its basic
C.
the most basic
D.
D the basic
【简答题】[A] boom [B] swell [C] deteriorate [D] flourish
【单选题】At present, many serious photographers
A.
are struggling to establish photography as a fine art.
B.
claim to be making works of art by witnessing events.
C.
proclaim that their works have nothing to do with art.
D.
agree that photography is as worthy an art as painting.
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