问题 单项选择题

生物技术的发展速度很快,已灭绝生物的“复生”将不再是神话。如果世界上最后一只野驴刚死亡,以下较易成为“复生”野驴的方法是()

A.将野驴的体细胞取出,利用组织培养技术,经脱分化、再分化,培育成新个体

B.将野驴的体细胞两两融合,再经组织培养培育成新个体

C.取出野驴的体细胞的细胞核移植到母家驴的去核卵细胞中,再经胚胎移植孕育培养成新个体

D.将野驴的基因导入家驴的受精卵中,培育成新个体

答案

参考答案:C

填空题
先阅读短文,然后根据短文内容从方框内所给的单词中选择恰当的词(注意词形变化)填入短文空白处,
使短文完整、通顺。一词只用一次,一空限填一词。方框中有两个词是多余的。
hungry   hospital   hmch   thirsty   miss   sad   asleep   come   see   quiet   think   leave   eye
    It was a hot day during the holiday. My mother and I got on the bus which would take us to my grandma's
village. It was so hot that 1 felt very 1            . Then I began to think of the sweet watermelons and other
fruits in Grandma's house. I could hardly wait to arrive there and 2             my grandma earlier.
    It took us one more hour to get there. When we walked into the house, Grandma was busy preparing 3             in the kitchen. I knew from her smile face that she was very glad to see us. She brought out a big
watermelon and cut it. It was so nice to eat the watermelon on such a hot day.
    After lunch my mother felt tired and went to bed to have a rest. I asked my grandma to tell me a fair tale.
We sat on the bed and she began to tell it. I listened to her 4            , It was not long before I fell 5            .
I was dreaming when a terrible sound woke me up. I saw Grandma was lying on the ground. I couldn't
believe my 6            . How fearful a sight was! I hurried to wake my mother up. We took Grandma to
the 7             in a hurry. But it was too late. My grandma's heart stopped beating (跳动) when we got there.
You'll never imagine how 8             we felt then.
    Grandma was very well all the time. I had never imagine she would 9             us so soon. That evening I
lay in bed alone. Tears ran down my face. I prayed (祈祷) and prayed, wishing my grandma would be able to
10             back. 
    Now several years have passed. My dear grandma, where are you? I 11             you so much.
单项选择题 A3/A4型题