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【单选题】
投资报酬定价法属于 ( )A.
需求导向定价法
B.
竞争导向定 价法
C.
招标定价法
D.
成本导向定价法
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举一反三
【单选题】Bob is very______, you never know what he is thinking.
A.
conservative
B.
reserved
C.
dead
D.
resent
【单选题】What does the man offer to do?
A.
Give the woman directions
B.
Send the woman a brochure
C.
Reserve a seat for the woman
D.
Waive the woman's registration fee
【单选题】以下不属于教师的权利的是( )
A.
进行教育教学活动，开展教育教学改革和实验
B.
从事科学研究、学术交流，参加专业的学术团体，在学术活动中充分发表意见
C.
指导学生的学习和发展，评定学生的品行和学业成绩
D.
遵守宪法、法律和职业道德，为人师表
【单选题】If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be ________.
A.
a glazed surface on the spring
B.
nicks in the protective coating
C.
a build up of sludge deposits
D.
cracks in the surface of the spring
【单选题】电火花加工中精规准用于精加工,与粗规准相比,精规准多采用( )的电流峰值、( )频率和( )的脉冲宽度。 A 小,高,短 B 大,高,短 C 小,低,长 D 大,低,长
A.
B.
C.
D.
D
【单选题】Your vessel has a midships engine room and the cargo is concentrated in the end holds．The vessel is ______．
A.
sagging with tensile stress on main deck
B.
sagging with compressive stress on main deck
C.
hogging with tensile stress on main deck
D.
hogging with compressive stress on main deck
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