【判断题】串联电路中,阻值大的电阻消耗的功率较小,阻值小的电阻消耗的功率反而较大。( )
【单选题】下列分解因式正确的是
A.
﹣ m 4 ﹣ 8 m 2 += ( m 2 ﹣ 8 ) 2
B.
x 4 ﹣ y 4 = ( x 2 + y 2 )( x 2 ﹣ y 2 )
C.
4 a 2 ﹣ 4 a +1= ( 2 a ﹣ 1 ) 2
D.
a ( x ﹣ y )﹣ b ( y ﹣ x ) = ( x ﹣ y )( a ﹣ b )
【单选题】物流对企业的重要程度相对较低,同时企业处理的物流能力也低,此时企业应选择( ) 方式来处理物流。
【单选题】We can infer from the last paragraph that Hoy______in his late years.
A.
was in good physical condition
C.
traveled around the world
【单选题】A highly ______person is likely to be easily hurt by pain, both emotional and physical.
【单选题】一病人“太阳穴”处受外力打击而骨折,经医生诊断为“硬膜外血肿”,试问骨折片损伤了下列何血管?
【判断题】物流对企业的重要程度相对较低,同时企业处理的物流能力也
【单选题】Which of following physica1 abilities is not required as to the routine movement aound avessel? ____
A.
Maintain balance and move with agility.
B.
Climb up and down vertical ladders and stairways.
C.
0pen and c1ose watertight doors.
D.
Take part in vesse1 evacuation procedures.