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【单选题】
工程项目综合管理必须建立在( )基础上。
A.
完善的项目管理制度
B.
组织机构
C.
资源管理
D.
项目管理程序
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【单选题】—How soon will he come back? — . [     ]
A.
After three days
B.
In a week
C.
On Friday
D.
Next month
【单选题】I will leave for Shanghai _____ . [     ]
A.
after three days
B.
three days ago
C.
in three days
D.
before three days
【简答题】After spending three days in a wheelchair, I was ready to quit. Not only did I have to battle cracked (裂缝的) and uneven (不平的) pavements, I had to deal with the bad attitude of pedestrians (行人) and a co...
【简答题】设 x=(1 2 3), y= , 则两向量的乘积 xy=________________
【简答题】货垛的规范要求主要是指“五距”,即 、 、 、 和灯距。
【单选题】设直线y=kx与椭圆 x 2 4 + y 2 3 =1 相交于A、B两点,分别过A、B向x轴作垂线,若垂足恰为椭圆的两个焦点,则k等于(  )
A.
± 3 2
B.
± 2 3
C.
± 1 2
D.
±2
【简答题】设直线y=kx与椭圆 x 2 4 + y 2 3 =1 相交于A、B两点,分别过A、B向x轴作垂线,若垂足恰为椭圆的两个焦点,则k等于______.
【简答题】将直线y=2x-3向右平移3个单位,再向上平移1个单位,求平移后的直线的关系式. 在直线y=2x-3上任取两点A(1,-1),B(0,-3). 由题意知: 点A向右平移3个单位得A′(4,-1);再向上平移1个单位得A″(4,0) 点B向右平移3个单位得B′(3,-3);再向上平移1个单位得B″(3,-2) 设平移后的直线的关系式为y=kx+b. 则点A″(4,0),B″(3,-2)在该直线上, ...
【简答题】After three days in Japan, the spinal column becomes extraordinarily flexible.(Para.12)
【单选题】After three days in Japan, the spinal column becomes extraordinarily flexible. (Para. 12)
A.
After three days in Japan, the spinal column becomes very soft.
B.
After three days in Japan, I have been used to bowing to the others to show my thanks and respect.
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