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【多选题】
• 宏观市场营销环境 是指环境中,间接影响企业营销活动的,企业无法直接控制的但应尽量去适应的外部力量,它包括L( )、社会文化及自然生态等因素。
A.
政治法律
B.
经济
C.
人口
D.
科学技术
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举一反三
【单选题】Which system(s) in the hydraulic systems of crane always hold(s) single side of load?
A.
hoisting system only
B.
hoisting system and luffing system
C.
hoisting system and slew and slewing system
D.
slewing system only
【单选题】不属于盘花的固定法的是( )。
A.
加粗固定法
B.
斜切固定法
C.
十字或米字纵切固定法
D.
折曲固定法
【单选题】For a balanced three-phase △ -connected load, the average power absorbed by the load is P . Change the △ -connected load to Y-connected load, the power will :
A.
remain the same
B.
increase to P
C.
increase to P
D.
increase to 3 P
【单选题】The slender column is under axial compressive load P, the critical load 【图片】is independent of ( ).
A.
the material of the column
B.
the length of the column
C.
the magnitude of the P
D.
the shape and dimension of the cross section of the column
【单选题】The vessel’s load line certificate is always issued by ____.
A.
The register of shipping
B.
custom house
C.
cargo survey bureau
D.
maritime safety administration
【单选题】One should always be careful with _ (load) guns.
A.
loading
B.
loaded
【单选题】The vessel’s load line certificate is always issued by ____.
A.
the register of shipping
B.
custom house
C.
cargo survey bureau
D.
maritime safety administration
【单选题】The load on the crosshead pin is always ______, so it is the ______ half of the bearing which is subject to wear.
A.
upwards / top
B.
upwards / bottom
C.
downwards / top
D.
downwards / bottom
【单选题】下列关于胫前动脉和足背动脉的描述,错误的是
A.
压迫胫前动脉,其止血的范围是整个足部
B.
胫前动脉发自腘动脉
C.
胫前动脉的血供范围是小腿前群肌
D.
其体表投影为:胫骨粗隆与腓骨小头连线中点至足背内、外踝连线的中点为胫前动脉;自足背内、外踝连线中点至第1、2跖趾关节间的连线为足背动脉
E.
在内、外踝连线中点向深部压迫足背动脉,可止血
【单选题】The vessel’s Load Line Certificate is always issued by ().
A.
The Register of Shipping
B.
Customs House
C.
Cargo Survey Bureau
D.
Maritime Safety Administration
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