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【判断题】
边际贡献首先用于补偿固定成本,之后若有余额,才能为企业提供利润。
A.
正确
B.
错误
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举一反三
【单选题】— We expected you yesterday. — I’m sorry, I you to say that I couldn’t be here until today.
A.
must have called
B.
would be calling
C.
could have been calling
D.
should have called
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【单选题】心理活动的主要物质基础是
A.
神经元
B.
突触
C.
反射
D.
神经系统
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【单选题】已知角 α 为第四象限角,且终边过 点 P ( 3 , y ),若cos α =0.6 , 求y
A.
4
B.
-4
C.
5
D.
-5
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【简答题】We expected that you ______(stay) here.
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【单选题】We expected that you ___________ (stay) here.
A.
stay
B.
stays
C.
will stay
D.
would stay
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【简答题】Which term describes the behavior of materials when subjected to some external force or condition? A) Material B) Property C) Automation D) Synthesis
查看完整题目与答案
【简答题】如图，长方形OABC中，O为平面直角坐标系的原点，A、C两点的坐标分别为（3，0），（0，5），点B在第一象限内. (1)如图1，写出点B的坐标（ ）； (2)如图2，若过点C的直线CD交线段AB于点D,且把长方形OABC的周长分为3:1两部分,求点D的坐标； (3)如图3，将（2）中的线段CD向下平移2个单位,得到C / D / ,试计算四边形OAD / C / 的面积.
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【简答题】在平面直角坐标中，已知A、C两点的坐标分别为A（ 5 ， 5 ）、C（ 3 5 ，0）． （1）求△OAC的面积． （2）在第一、二象限内是否存在点B，使以O、A、B、C为顶点的四边形为平行四边形？若存在，请求出所有符合条件的点B的坐标；若不存在，请说明理由．
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【单选题】According to the proposal, the multinational force will leave Iraq ______.
A.
when full sovereignty is restored to Iraq
B.
when the interim government takes power
C.
when the interim government asks them to leave
D.
as soon as possible
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【单选题】When is the normal force not equal to the weight of an object?
A.
In space where there is no gravity
B.
When the object is being accelerated upward
C.
When the object is on an inclined plane
D.
When the object is supported by a string
E.
When it is moving along a flat surface
查看完整题目与答案
相关题目：
【单选题】— We expected you yesterday. — I’m sorry, I you to say that I couldn’t be here until today.
A.
must have called
B.
would be calling
C.
could have been calling
D.
should have called
查看完整题目与答案
【单选题】心理活动的主要物质基础是
A.
神经元
B.
突触
C.
反射
D.
神经系统
查看完整题目与答案
【单选题】已知角 α 为第四象限角,且终边过 点 P ( 3 , y ),若cos α =0.6 , 求y
A.
4
B.
-4
C.
5
D.
-5
查看完整题目与答案
【简答题】We expected that you ______(stay) here.
查看完整题目与答案
【单选题】We expected that you ___________ (stay) here.
A.
stay
B.
stays
C.
will stay
D.
would stay
查看完整题目与答案
【简答题】Which term describes the behavior of materials when subjected to some external force or condition? A) Material B) Property C) Automation D) Synthesis
查看完整题目与答案
【简答题】如图，长方形OABC中，O为平面直角坐标系的原点，A、C两点的坐标分别为（3，0），（0，5），点B在第一象限内. (1)如图1，写出点B的坐标（ ）； (2)如图2，若过点C的直线CD交线段AB于点D,且把长方形OABC的周长分为3:1两部分,求点D的坐标； (3)如图3，将（2）中的线段CD向下平移2个单位,得到C / D / ,试计算四边形OAD / C / 的面积.
查看完整题目与答案
【简答题】在平面直角坐标中，已知A、C两点的坐标分别为A（ 5 ， 5 ）、C（ 3 5 ，0）． （1）求△OAC的面积． （2）在第一、二象限内是否存在点B，使以O、A、B、C为顶点的四边形为平行四边形？若存在，请求出所有符合条件的点B的坐标；若不存在，请说明理由．
查看完整题目与答案
【单选题】According to the proposal, the multinational force will leave Iraq ______.
A.
when full sovereignty is restored to Iraq
B.
when the interim government takes power
C.
when the interim government asks them to leave
D.
as soon as possible
查看完整题目与答案
【单选题】When is the normal force not equal to the weight of an object?
A.
In space where there is no gravity
B.
When the object is being accelerated upward
C.
When the object is on an inclined plane
D.
When the object is supported by a string
E.
When it is moving along a flat surface
查看完整题目与答案