皮皮学，免费搜题
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搜题
【单选题】
（）主要由、螺母和机架组成。A.
齿轮传动
B.
螺纹传动
C.
螺旋传动
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皮皮学刷刷变学霸
举一反三
【简答题】A．To meet the needs of the society. B．To satisfy a person's interest. C．To satisfy certain goals. D．To support the family.
【单选题】(Let's hurry) up and try to (get to) the railway station (in time), (can we)?
A.
Let’s hurry
B.
get to
C.
in time
D.
can we
【单选题】Lots of automobile advertisements are designed to______.
A.
satisfy people's desire to be admired
B.
satisfy people's desire for love
C.
introduce its unique features
D.
satisfy people's demand in daily life
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