In regard to technology, how do nonindustrial societies differ from industrial societies?

A．In nonindustral societies, there is not any kind of specialization of technology．

B．In nonindustrial societies, technology is not as specialized as it is in industrial society．

C．In industrial societies, women do different jobs before and after marriage．

D．In industrial societies, people are more easily adapted to certain technical field．

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B。本题出题点在段尾的否定句式处(Neither…nor…o根据题干信息词differ舶m将答案锁定在文章第二段末句，该句说明非工业社会的技术和技术知识都没有工业社会那样专业化。可见B正确。

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1 The reason why some nonindustrial societies promote specialization is that __

A．certain raw materials are available

B．everyone can do eraftwork

C．it boosts trade among villages

D．it prevents intervillage conflicts

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2 The author compared Trobriand Islanders and the Yanomani to imply that __

A．they were in a regional exchange network called the kula ring

B．they were both manufacturing handcrafts

C．they were located where raw materials were available

D．their specialization had much to do with social and political environment

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3 根据以下资料，回答题：
        Every year, 2,000 American lives are saved by the selflessness of others．These are the bone marrow donorswho give the gift of life to patients fighting deadly diseases such as leukemia, lymphoma, and aplastic anemia．That's the good news．The bad news is that thousands more die each year because not enough people have signedon to the registries that would help the ill find a suitable match for a transplant．
        Bone marrow or stem-cell transplants are usually a last resort, intended for those whose illnesses have notresponded to traditional treatments such as chemotherapy or radiation．How do they work? We all store a specialtype of cell in our bone marrow called stem cells．These primitive cells give rise to the three types of blood cells:red, white and platelets．Everyone's stem cells have certain genetic characteristics or markers that make themunique from others．Despite this uniqueness, there are Some shared characteristics between people．This isimportant, because a patient's immune system will reject blood or organs received from someone else if they do notshare sufficient similarities．
        Family members, especially siblings, are always the first to be considered as donors, because there's a greaterchance that the genetic markers on their cells will have enough in common to prevent rejection aftertransplantation．In many cases, however, a familial match can't be found and then the search begins for anunrelated donor．These donors typically come from a pool of people who have already signed up on a donorregistry in the event that their cells match a needy recipient．
        Once the lab has verified a match between donor and recipient, the next phase starts．The patient is givenradiation or chemotherapy to kill the unhealthy cells．Healthy cells are harvested from the donor-either extractedfrom the pelvic bones or taken from the ann in a way that is similar to having blood drawn--and prepared in alaboratory．Once they're ready, they're given to the patient through a vein--the same way as one would receive ablood wansfusion．Once these transplanted donor cells get settled within the patient's bone marrow, they make thehealthy red blood ceils, white blood cells and platelets necessary to support life．
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The shared genetic characteristic of stem cells is important in bone marrow transplant became __

A．the same primitive cells can produce the same type of blood cells

B．one's immune system will reject the blood or organ of different genetic markers

C．one's immune system will not function well when facing different stem cells

D．the uniqueness of genetic characteristics will destroy the patient's immune system

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