问题
选择题
下列关于生物多样性的叙述，不正确的是[ ]
A．生物多样性是不同物种之间、生物与无机环境之间共同进化的结果
B．生物多样性的形成经历了环境对生物的定向选择过程
C．生物多样性的形成经历了漫长的进化历程
D．生物多样性的形成也就是新物种不断形成的过程
答案
答案：D
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下列关于生物多样性的叙述，不正确的是[ ]
A．生物多样性是不同物种之间、生物与无机环境之间共同进化的结果
B．生物多样性的形成经历了环境对生物的定向选择过程
C．生物多样性的形成经历了漫长的进化历程
D．生物多样性的形成也就是新物种不断形成的过程
答案：D
| 阅读短文，从各题所给的四个选项中选出 一个正确答案。 | ||||
| Once, in a small village, lived a family with eight children. Two of the children loved 1 very much, but the family was so poor that it was impossible to send 2 of them to study at the art college at the same time. After many discussions, the two boys finally 3 a plan. They would toss (抛) a coin The loser would go 4 into the mines (煤矿) and, with his earnings (赚得的钱) , 5 his brother studying at the college. Then, when the brother who won the toss finished his studies, after four years, he would support the other brother studying at the 6 . James won the toss and Jack went down into the mines. James worked with all his heart and his paintings were much 7 than those of most of his teachers, and by the time he 8 , he was beginning to make a lot of money for his paintings. 9 James returned, the family held a big dinner for his great success. Soon after the meal began, James 10 up from his seat to drink a toast (举杯祝酒) to his dear 11 . He said, "Jack, now you can go to the art college and your 12 will come true. I will take care of you. " But Jack said 13 , "Brother, the four years in the mines has done too much to my hands, so it' s too 14 . Now I can't even hold a glass. " To show his great love and respect, James drew his brother's hands with 15 towards the sky. He called his drawing The Praying Hands, which became very famous years later.  | ||||
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