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【多选题】
下列药品属假药的是
A.
生产或配制、销售的药品所含成分与国家药品标准规定的成分不符的
B.
已变质的
C.
超过效期的
D.
所标明的适应症或功能主治超出规定范围的
E.
被污染的
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【单选题】Good relationships between partners are the rudders which steer joint ventures through ______waters.
A.
uneasy
B.
troubled
C.
uneasy
D.
disturbed
【单选题】The rudders are amidships and both screws are going ahead.What will happen if the starboard screw is stopped ________.
A.
The bow will go to port
B.
The bow will go to starboard
C.
The bow will remain steady
D.
The stern will go to starboard
【单选题】Flanking rudders effect a vessel’s heading because of the().
A.
Effect of the propeller flow on the rudders
B.
Water flow due to the vessel's movement through the water
C.
Tunnel affect of the water flow past opposing rudders
D.
Discharge current being channeled to impinge on the vessel's deadwood
【简答题】已知向量组α1=(t,2,1),α2=(2,t,0),α3=(1,-1,1),试 讨论: (1)t为何值时,向量组α1,α2,α3线性相关? (2)t为何值时,向量组α1,α2,α3线性无关?
【判断题】心肌细胞呈短圆柱状,有多个核,位于肌膜下
A.
正确
B.
错误
【简答题】若向量组α 1 ,α 2 ,α 3 线性无关,则向量组α 1 +α 2 ,α 2 +α 3 +α 1 仍然线性无关. 若向量组α 1 ,α 2 ,…α n (n>3)线性无关,则向量组α 1 +α 2 ,α 2 +α 3 ,…,α n +α 1 仍然线性无关?
【简答题】设β 1 =α 1 ,β 2 =α 1 +α 2 ,…,β 2 =α 1 +α 2 +…+α m 且向量组α 1 ,α 2 ,…,α m 线性无关,证明向量组β 1 ,β 2 ,…,β m 线性无关.
【简答题】设有向量组(I):α1=(1,0,2)T,α2=(1,1,3)T,α1=(1,-1,a+2)T和向量组(II): β1=(1,2,a+3)T,β2=(2,1,a+6)T,β3=(2,1,a+4)T.试问:当a为何值时,向量组(I)与(II)等价?当以为何值时,向量组(I)与(Ⅱ)不等价?
【简答题】设n维向量组α 1 =(1,0,…,0) T ,α 2 =(1,1,0,…,0) T ,…,α n =(1,1,…,1) T , 求证:向量组α 1 ,α 2 ,…,α n 与n维标准向量组ε 1 =(1,0,…,0) T ,ε 2 =(0,1,0,…,0) T ,…,ε n =(0,…,0,1) T 等价.
【单选题】Flanking rudders effect a vessel’s heading because of the ______.
A.
effect of the propeller flow on the rudders
B.
water flow due to the vessel’s movement through the water
C.
tunnel affect of the water flow past opposing rudders
D.
discharge current being channeled to impinge on the vessel’s deadwood
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