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【简答题】
苯丙素分为____、____、____三类成分。
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】法玛根据投资者可以获得的信息种类，将有效市场分成弱式有效市场、半弱式有效市场和强式有效市场三个层次。（ ）
【单选题】Smoking is bad for your health. You'd better _______. [ ]
A.
set it up
B.
give it up
C.
pick it up
D.
look it up
【单选题】Cut the apples and then put them the blender. [ ]
A.
in; up
B.
on; up
C.
up; in
D.
up; on
【单选题】They are too tired _____. [ ]
A.
not to stand up
B.
to stand up
C.
to they stand up
D.
stands up
【单选题】Cut up the pear and then _____ . [ ]
A.
mix up it
B.
mix up them
C.
mix it up
D.
mix them up
【单选题】All the ingredients are in the bowl. Please mix _____. [ ]
A.
it up
B.
up it
C.
up them
D.
them up
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