问题
单项选择题
通过目的基因的非定点整合，使其表达产物补偿缺陷基因的功能或加强原有功能的基因治疗方法是（）
A.基因置换
B.基因失活
C.基因增补
D.基因矫正
E.基因沉默
答案
参考答案：C
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通过目的基因的非定点整合，使其表达产物补偿缺陷基因的功能或加强原有功能的基因治疗方法是（）
A.基因置换
B.基因失活
C.基因增补
D.基因矫正
E.基因沉默
参考答案：C
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There was once a king who offered an award to an artist who could paint the 2 picture of peace. Many 3 tried. The king looked at all the pictures. But there were only two he really liked and he had to choose between them. One picture was a calm lake. The lake was a perfect thing for peace because of the high mountains around it. Overhead was a blue sky with white clouds. 4 who saw this picture thought that it was a perfect picture of peace. The other picture had mountains too. But they were rugged (高低不平的). Above was the dark sky, from which heavy rain fell. A waterfall was rushing down the side of the mountain. This did not look 5 at all. But when the king looked 6 , he found behind the waterfall a very small bush 7 in the midst 在….中 ) of the waterfall and a mother bird sitting on her nest (鸟窝) in perfect peace. The king gave the award to the artist who painted the 8 picture. Why? "Because," explained the king, "peace does not mean 9 in a place where there is no 10 , no trouble or hard work. Peace means in the midst of all those things, you're still calm in your heart. That's the real meaning of peace." |