问答题

某工程有3个施工过程进行施工,分4个施工段,其流水节拍分别是4天、2天、6天,这三个施工过程组成成倍节拍流水,计算总工期为(   )天。【请用阿拉伯数字作答】

【参考答案】

18
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When you are little,the whole world feels like a big playgrounD.I was living in Conyers,Georgia the summer it all happeneD.I was a second grader,but my best friend Stephanie was only in the first gradE.Both of our parents were at work and most of the time they let us go our own way.It was a hot afternoon and we decided to have an adventure in Stephanie’ s basement. As I opened the basement door, before us lay the biggest room, full of amazing things like guns, dolls, and old clothes. I ran downstairs, and spotted a red steel can. It was paint. I looked beyond it and there lay even more paint in bright colors like purple, orange, blue and green.“Stephanie, I just found us a project for the day. Get some paintbrushes. We are fixing to paint. ’’ She screamed with excitement as I told her of my secret plans and immediately we got to work. We gathered all the brushes we could find and moved all of our materials to my yarD.There on the road in front of my house,we painted bit stripes (条纹)of colors across the pavement (人行道)Stripe by stripe,our colors turned into a beautiful rainbow. It was fantastic!The sun was starting to sink. I saw a car in the distance and jumped up as I recognized the car.It was my mother. I couldn&39; t wait to show her my masterpiecE.The car pulled slowly into the drive-way and from the look on my mother&39;s face,I could tell that I was in deep troublE.My mother shut the car door and walked towards mE.Her eyes glaring,she shouted,What in the world were you thinking? I understood when you made castles out of leaves, and climbed the neighbors ’ trees,but this! Come inside right now!” I stood there glaring back at her for a minute,angry because she had insulted (侮辱)my art.“ Now go to clean it up! ” Mother and I began cleaning the roaD.Tears ran down my cheeks as I saw my beautiful rainbow turn into black cement.Though years have now passed, I still wonder where my rainbow has gonE.I wonder if, maybe when I get older,I can find my rainbow and never have to brush it away. I guess we all need sort of rainbow to brighten our lives from time to time and to keep dur hopes and dreams’ colorful.What did the writer want to do when his mother came home?A.To introduce Stephanie to her.B.To prevent her from seeing his paintingC.To put the materials back in the yardD.To show his artwork to her.The underlined word “rainbow” in the last paragraph refers to____.A.the rainbow in the skyB.the stripes on the pavementC.something imaginative and funD.important lessons learned in childhoodIt can be learned from the passage that parents should____.A.encourage children to paintB.value friendship among childrenC.discover the hidden talent in childrenD.protect rather than destroy children’ s dreams请帮忙给出每个问题的正确答案和分析,谢谢!
A.It
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C.To
D.
B.To
E.To
F.To
G.
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H.A.the
I.the
J.something
K.important
L.A.encourage
M.value
N.discover
O.protect
未分类题
It may be pointed out that warfare(战争)as practiced by man has no parallel in naturE.This is to say that within the more highly developed animal populations of this earth, there is not now, nor has there been similar destruction within a species(物种)itselF.In fact,one has to go to the lowliest forms of animal life,such as certain kinds of ants,to find anything comparable to human warfarE.It is a curious fact that mankind appears to give the killing of his own kind a good reason by imaging that it is a “law of nature”. There are now a lot of wrong ideas about the laws of nature,of which this is one of the most incorrect and fateful(致命的).Political beliefs have been based upon it with results that have come near to destroying human civilization. The theory that war is a biological necessity, that it is nature’ s method of controlling population and believing in the survival (生存)of the strong and the elimination(灭亡)of the weak,is totally wrong and insupportablE.Within the last century,when wars have been common all over the world,the human population of the earth has almost doubleD.The main idea of this passage is_____.A.warfare is a “law of nature”B.warfare is not a “law of nature”C.warfare does not control human populationD.none of the lowlier animals, except ants, practice warfare upon their own speciesAccording to Sentence 2,which of the following is true?A.The destruction is similar to the killing of each other within human beings.B.There is not the similar destruction now,but it occurred beforeC.There is never a time when we may see the similar destruction.D.The destruction is now a thing of the past.What does the“law of nature”mean? You can find the answer in the passage in____.A.the first sentenceB.the fourth sentenceC.the seventh sentenceD.the final sentenceThe author of this passage seems to be_____the “ law of natureA.againstB.in favor ofC.uncertain ofD.very much interested in请帮忙给出每个问题的正确答案和分析,谢谢!
A.Political
B.
The
C.
A.warfare
D.warfare
E.warfare
F.none
G.The
H.
B.There
I.There
J.
D.The
K.
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L.A.the
M.the
N.the
O.the
P.against
B.in
Q.uncertain
R.very