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【简答题】
活塞加压,缸体内液体的压强为0.1Mpa时,体积为1000 ,压强为10Mpa时,体积为995 ,试求液体的体积弹性模量。
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【单选题】Neiguan is located at 2 cun above the transverse crease of the wrist, on the line connecting Quze and Daling, between teh tendons of ( ) and m. flexor carpi raidalis.
A.
m. palmaris longus
B.
m. flexor carpi radials
C.
m. palmaris brevis
D.
m. flexor carpi ulnaris
【单选题】The line connecting the Loran-C master station with a secondary station is called the_______
A.
focus line
B.
base line
C.
side line
D.
center line
【简答题】某弹簧振子沿x轴做简谐振动,振幅为A,则其动能和势能相等的位置是A. x=0B. C. D. E.
【单选题】弹簧振子沿x轴做简谐振动,弹簧劲度系数为15N/m,物体质量为0.1kg,初始时刻相对于平衡位置的位移为0.05m,速度为-0.82m/s,则其振幅最接近的数值为:
A.
0.05
B.
0.08
C.
0.11
D.
0.14
【单选题】若a,b∈R,则 1 a 3 > 1 b 3 成立的一个充分不必要条件是(  )
A.
ab>0
B.
b>a
C.
a<b<0
D.
ab(a-b)<0
【单选题】The principle of __________ is what tells the reader that the invisible line connecting the text is much stronger.
A.
proximity
B.
alignment
C.
repetition
D.
contrast
【单选题】若U=R,A= B= ,要使式子A B= 成立,则a的取值范围是(  )
A.
-6
B.
a
C.
-11$amp;
D.
-11
【单选题】( )Which acupoint is located in the anterior region of thigh股,2 cun above the upper lateral border of the patella髌骨,on the line connecting the anterior superior iliac spine and the lower lateral ...
A.
Xuehai (SP10)
B.
Liangqiu (ST34)
C.
Futu (ST32)
D.
Yinshi (ST33)
E.
Fengshi (GB31)
【单选题】陕西省位于中国西北部,地域()。
A.
南北长,东西窄
B.
东西长,南北窄
C.
南北宽,东西长
D.
东西长,南北宽
【单选题】若a,b∈R,则 1 a 3 > 1 b 3 成立的一个充分必要条件是(  )
A.
a>b>0
B.
b>a
C.
a<b<0
D.
ab(a-b)<0
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