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【单选题】
分泌表面活性物质的细胞A.
I型肺泡细胞
B.
II型肺泡细胞
C.
尘细胞
D.
心衰细胞
E.
clara细胞
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【单选题】Why is each person at the place? Check (√) the correct answer. 图C:to cut her hair or to color her hair
A.
to cut her hair
B.
to color her hair
【多选题】To describe one’s hair, his or her hair style and hair color will have to be mentioned, such as:( )
A.
His hair is straight .
B.
Her hair is curly .
C.
He has long straight black hair.
D.
She has short curly blonde hair.
【单选题】Which part of the hair is the primary source of mechanical strength, water uptake and hair color?
A.
medulla
B.
cortex
C.
cuticle
D.
hair root
【单选题】Genes determine ______ the shape of a leaf and the sex, height, and hair color of a child.
A.
such as features
B.
such features as
C.
as such features
D.
features, as such
【单选题】听力原文：W: Is her hair black? M: No. Leek! Her hair is blond. Q: What color is her hair? (20)
A.
Black.
B.
Brown.
C.
Blond.
【简答题】抄写：按英文格式把下面的句子抄写在格子上 What color is her hair ? It is black. What color are her eyes ? They are blue. ----------------------------------------------------------------------------------------------------...
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