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【简答题】
某公司有价值 万元的一条流水线，要提高该流水线的生产能力，就要对其进行技术改造，从而提高产品附加值，改造需要投入，假设附加值 万元与技术改造投入 万元之间的关系满足：① 与 和 的乘积成正比；② 时， ；③ ，其中 为常数，且 。 （1）设 ，求 表，并求 的定义域； （2）求出附加值 的最大值，并求出此时的技术改造投入。
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参考答案：
举一反三
【多选题】Quiz one for Unit I Blanking –filling : in the following table, there are ten words/phrases; choose the right one to fill in the sentences. Direction: each word/phrase could be used only once. Write t...
A.
be trapped;
B.
frozen;
C.
monologues ;
D.
nothing but;
E.
is endowed;
F.
if anything;
G.
lest;
H.
reel;
I.
slipping;
J.
was given to; 1.On rainy days, we should walk in a cautious way to avoid ____(1)____. 2. When Mr. Houghton was outside in a hideous wind, the fresh air seemed to ___(2)_____with his chest. He would ____(3)____ and his face turned pale. 3. In the little boy’s eyes, Venus was _____(4)___ in great fear, and Rodin’s Thinker was ___(5)_____a naked, muscular man. 4. She ____(6)____with great talents, and it should be no wonder she has achieved great success. 5. He didn’t tell his father about the exam result ____(7)____he get mad with him. 6. The headmaster in my grammar school was not good at thinking. He was, ___(8)_____, unable to think at all. 7. Mr. Houghton ____(9)____highly moral speeches, however his ___(10)_____were usually interrupted by a pretty girl passing by.
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【单选题】Which of the following may NOT be the reason of eating disorders?
A.
Trying to keep the weight low.
B.
The fierce social competition.
C.
Maintaining a muscular but thin physique.
D.
Genetic or chemical components.
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【单选题】剪力墙中水平分布筋在距离梁或板顶（底）面以上（下)多少距离时，开始布置第一道（   ）
A.
50mm
B.
水平分布筋间距/2
C.
100mm
D.
60mm
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【单选题】The maximum Blood Alcohol Concentration (BAC) rate on board shall not be more than by weight any time when being testedBut watch-keepers are not allowed to drink any alcoholic beverage before their wa...
A.
0.08% /4 hours
B.
0.008%/2 hours
C.
0.04%/4 hours
D.
0.04%/2 hours
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【简答题】Read the following sentences and try to match the English sentences with their Chinese equivalents.A. Excuse me, is there a vacant place?B. It’s very kind of you to invite me, but I have a prior engag...
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【简答题】We have all experienced days when everything goes wrong. A day may begin well enough, but suddenly everything seems to get out of control. It seems as if a single unimportant may cause a number ...
查看完整题目与答案
【简答题】We have all experienced days when everything goes wrong. A day may begin well enough, but suddenly everything seems to get out of control. It seems as if a single unimportant may cause a number ...
查看完整题目与答案
【简答题】In the case of cargo which is bulky in relation to its weight the chargeable weight will be established on the basis of volume rather than gross weight．（ ）
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【单选题】The interviewees opinion of exercising at desk shows that it is
A.
a good way of losing weight.
B.
a solution that doesn't work.
C.
an efficient way of improving health.
D.
a bad way of wasting time.
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【单选题】在构建图灵机器人的请求参数对象时,参数key的含义是()
A.
在图灵机器人上注册的apikey
B.
自定义的用户标识
C.
将要发送的文字信息
查看完整题目与答案
相关题目：
【多选题】Quiz one for Unit I Blanking –filling : in the following table, there are ten words/phrases; choose the right one to fill in the sentences. Direction: each word/phrase could be used only once. Write t...
A.
be trapped;
B.
frozen;
C.
monologues ;
D.
nothing but;
E.
is endowed;
F.
if anything;
G.
lest;
H.
reel;
I.
slipping;
J.
was given to; 1.On rainy days, we should walk in a cautious way to avoid ____(1)____. 2. When Mr. Houghton was outside in a hideous wind, the fresh air seemed to ___(2)_____with his chest. He would ____(3)____ and his face turned pale. 3. In the little boy’s eyes, Venus was _____(4)___ in great fear, and Rodin’s Thinker was ___(5)_____a naked, muscular man. 4. She ____(6)____with great talents, and it should be no wonder she has achieved great success. 5. He didn’t tell his father about the exam result ____(7)____he get mad with him. 6. The headmaster in my grammar school was not good at thinking. He was, ___(8)_____, unable to think at all. 7. Mr. Houghton ____(9)____highly moral speeches, however his ___(10)_____were usually interrupted by a pretty girl passing by.
查看完整题目与答案
【单选题】Which of the following may NOT be the reason of eating disorders?
A.
Trying to keep the weight low.
B.
The fierce social competition.
C.
Maintaining a muscular but thin physique.
D.
Genetic or chemical components.
查看完整题目与答案
【单选题】剪力墙中水平分布筋在距离梁或板顶（底）面以上（下)多少距离时，开始布置第一道（   ）
A.
50mm
B.
水平分布筋间距/2
C.
100mm
D.
60mm
查看完整题目与答案
【单选题】The maximum Blood Alcohol Concentration (BAC) rate on board shall not be more than by weight any time when being testedBut watch-keepers are not allowed to drink any alcoholic beverage before their wa...
A.
0.08% /4 hours
B.
0.008%/2 hours
C.
0.04%/4 hours
D.
0.04%/2 hours
查看完整题目与答案
【简答题】Read the following sentences and try to match the English sentences with their Chinese equivalents.A. Excuse me, is there a vacant place?B. It’s very kind of you to invite me, but I have a prior engag...
查看完整题目与答案
【简答题】We have all experienced days when everything goes wrong. A day may begin well enough, but suddenly everything seems to get out of control. It seems as if a single unimportant may cause a number ...
查看完整题目与答案
【简答题】We have all experienced days when everything goes wrong. A day may begin well enough, but suddenly everything seems to get out of control. It seems as if a single unimportant may cause a number ...
查看完整题目与答案
【简答题】In the case of cargo which is bulky in relation to its weight the chargeable weight will be established on the basis of volume rather than gross weight．（ ）
查看完整题目与答案
【单选题】The interviewees opinion of exercising at desk shows that it is
A.
a good way of losing weight.
B.
a solution that doesn't work.
C.
an efficient way of improving health.
D.
a bad way of wasting time.
查看完整题目与答案
【单选题】在构建图灵机器人的请求参数对象时,参数key的含义是()
A.
在图灵机器人上注册的apikey
B.
自定义的用户标识
C.
将要发送的文字信息
查看完整题目与答案
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