题目

下列物质中有的是氨基酸，有的不是，其中能组成生物体蛋白质分子的全部氨基酸经缩合反应形成的物质叫做（   ） 答案：BE     A king was old and he knew it was time to choose a new king. He told all the young people in the country ,“I'll give e 1 of you a seed. Plant it and bring it back one year later. Show me the plant that you bring. And I'll c 2 a new king from you. ”     A boy n 3 Ling got a seed,too. He planted it c 4 . But the seed doesn’t grow at all. A year later,Ling had to take his e 5 box to the palace. Others all brought beautiful plants there and Ling felt s 6 .     The king a 7 at the palace and looked around. When he found there was nothing in Ling5s box,the king smiled and said to the others ,“One year ago,I gave e 8 a seed which couldn’t grow. But all of you,e 9 Ling,have brought me plants and flowers. Ling was the only one with honesty and c 10 to bring such a box. So he will be the new king! ”1.  2. 3.  4. 5.  6. 7.  8. 9.  10.