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【单选题】
Questions 下列各 are based on the following passage. Vernon Bowman, a 75-year-old farmer from rural Indiana, did something that got him sued. Heplanted soybeans (大豆) sold as cattle feed. But Monsanto, the agricultural giant, insists it has a patenton the kind of genetically modified seeds Bowman used and that the patent continues to all of theprogeny (后代) of those seeds. Have we really gotten to the point that planting a seed can lead to a high-stakes Supreme Court patentlawsuit? We have, and that case is Bowman vs. Monsanto, which is being argued on Tuesday.Monsantos critics have attacked the company for its 'merciless legal battles against small farmers,' andthey are hoping this will be the case that puts it in its place. They are also hoping the courts ruling willrein in patent law, which is increasingly being used to claim new life forms as private property. Monsanto and its supporters, not surprisingly, see the case very differently. They argue that when acompany like Monsanto goes to great expense to create a valuable new genetically modified seed, it mustbe able to protect its property interests. If farmers like Bowman are able to use these seeds without payingthe designated fee, it will remove the incentives for companies like Monsanto to innovate. Monsanto accused Bowman of patent infringement and won an $ 84,456 damage award. Rather thanpay up or work out a settlement, Bowman decided to appeal--all the way to the Supreme Court. He said'Monsanto should not be able, just because theyve got billions of dollars to spend on legal fees, to try to terrify farmers into obeying their agreements by massive force and threats. ' The central issue in the case is whether patent rights to living things extend to the progeny of thosethings. Monsanto argues that its patents extend to later generations. But Bowmans supporters argue thatMonsanto is trying to expand the scope of patents in ways that would enrich big corporations and hurtsmall farmers. They say that ff Monsanto wins, the impact will extend far beyond agriculture--locking upproperty rights in an array of important areas. Knowledge Ecology International contends that the SupremeCourts ruling could have 'profound effects' on other biotech industries. If this were a Hollywood movie, the courageous old Indiana farmer would beat the profit-mindedcorporation before the credits rolled. But this is a real-life argument before a Supreme Court that has awell-earned reputation for looking out for the interests of large corporations. This case gives the court anopportunity to rein in the growing use of patents to protect genetically engineered crops and other lifeforms--but the court may well use it to give this trend a powerful new endorsement. Why did Vernon Bowman get sued?
A.
He used genetically modified seeds to feed his cattle.
B.
He planted soybeans without paying for the patent.
C.
He made a profit out of Monsantos commercial secrets.
D.
He obtained Monsantos patented seeds by illegal means.
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【简答题】(本题满分12分)设函数 (1)求函数的定义域; (2)求函数的值域; (3)求函数的单调区间.
【多选题】(长沙一中2015~2016学年高一上学期检测)物体做直线运动时可以用坐标轴上的坐标表示物体的位置,用坐标的变化量Δx表示物体的位移。如图所示,一个物体从A运动到C,它的位移Δx 1 =-4m-5m=-9m;从C运动到B,它的位移为Δx 2 =1m-(-4m)=5m。下列说法中正确的是 ( )
A.
从C到B的位移大于从A到C的位移,因为正数大于负数
B.
从A到C的位移大于从C到B的位移,因为符号表示位移的方向,不表示大小
C.
因为位移是矢量,所以这两个矢量的大小无法比较
D.
物体由A到B的位移Δx=Δx 1 +Δx 2
【简答题】(本小题满分12分) 已知函数 . (1) 求函数 的定义域;(2) 求证 在 上是减函数;(3) 求函数 的值域.
【简答题】(本题12分) 已知函数 的定义域为集合A,函数 的定义域为集合B (1)当m=3时,求 (2)若 ,求实数m的值
【简答题】(本题满分12分)已知 (1)求函数的定义域; (2)判断函数的奇偶性; (3)求函数的值域.
【简答题】(本小题满分12分)函数 的定义域为 ( 为实数). (1)当 时,求函数 的值域; (2)若函数 在定义域上是减函数,求 的取值范围; (3)函数 在 上的最大值及最小值,并求出函数取最值时 的值.
【单选题】某系统经历一个不可逆循环后,下列正确的是 。
A.
Δ S sys > 0 , Δ S sur =0
B.
Δ S sys > 0 , Δ S sur > 0
C.
Δ S sys =0 , Δ S sur =0
D.
Δ S sys =0 , Δ S sur > 0
【单选题】贮尿袋使用方法,错误的一项是
A.
每周更换1次
B.
正确测量尿液
C.
正确记录尿量
D.
更换贮尿袋时,橡胶管应低于耻骨联合
E.
贮尿袋应牢固地固定在床沿
【单选题】说法不正确的是:
A.
一个位错环不可能处处都是刃位错,也不可能处处都是螺位错
B.
若将位错线正向定义为原来的反向,则螺位错旋向不变,但是刃位错正负反向
C.
尽管扩展位错间通常都夹有一片层错区,但扩展位错是线缺陷
D.
晶体中的柏氏矢量通常不是任意的,而是点阵的平移矢量,这是由晶体的不连续性决定的
【单选题】某封闭系统经历一个不可逆循环过程后,下列说法中一定正确的是:( )
A.
系统的熵增加
B.
系统吸热大于对外作功
C.
环境的熵增加
D.
环境的内能减少
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