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【简答题】
按照记忆内容,记忆可分为 记忆 、 记忆 、 记忆 、 记忆 四种。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】产业资本从其最初的形态即货币资本的职能形态出发,依次经过购买、生产、售卖等阶段,并相应变换资本的职能形态,然后又回到原来的出发点,这一过程就是 ( )
A.
产业资本的循环
B.
产业资本的周转
C.
资本积累
D.
资本积聚
【单选题】I am very glad of an opportunity to ______your good intentions when you believed mein distress.
A.
guide
B.
launch
C.
acknowledge
D.
attach
【单选题】For economy reasons, employees traveling to the USA will fly overnight to Baltimore rather than Washington. Employees flying to the USA will
A.
no longer land in Washington.
B.
arrive late at night.
C.
be given economy class seats.
【单选题】It may be implied in the passage that ______.
A.
hardware is more important than software
B.
hardware is less important than software
C.
hardware is as important as software
D.
Hardware is more expensive than software
【单选题】下列哪句话属于基本句型: 主语 + 双宾动词 + 间接宾语 + 直接宾语 ( S + Vt + Oi +Od )
A.
The police ordered him to wait right there.
B.
He kissed his wife and children good-bye.
C.
They managed to get what they needed.
D.
I must think it over.
【简答题】斜齿轮轴由一对 7208C 支承,轴承正安装,已知 Fr1 = 3000N , Fr2 = 5000N , Fae = 1000N ,轴承计算有关系数表如下:( fp=1 , fp 为载荷系数)试求: ( 1 )两轴承的内部轴向力 ( 也称派生轴向力) Fd1 , Fd2 ,并在图中标出方向;( 2 )计算轴承的实际轴向力 Fa1 , Fa2 ;( 3 )计算轴承的当量动载荷 P1 , P2 ,并...
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