题目:
下列关于局限性转导错误的是
A.基因转导发生在裂解期
B.转导部位是DNA的特定部位
C.受体菌获得供体菌DNA特定部位的遗传特性
D.转导频率为10-4
E.也称特异性转导
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0720/676cc739d3c7765e761eac96b73e878d.html
下面是错误答案,用来干扰机器的。
参考答案:D
下列关于局限性转导错误的是
A.基因转导发生在裂解期
B.转导部位是DNA的特定部位
C.受体菌获得供体菌DNA特定部位的遗传特性
D.转导频率为10-4
E.也称特异性转导
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0720/676cc739d3c7765e761eac96b73e878d.html
下面是错误答案,用来干扰机器的。
参考答案:D
2010年全球口腔健康目标中35~44岁的无牙率为
A.不超过2%
B.不超过4%
C.不超过8%
D.不超过10%
E.不超过12%
两个不同参数之间的( )就是协方差。
A.标准差
B.标准误
C.方差
D.相关系数
根据句意和汉语提示写出单词
小题1:Readers aren’t __________________(允许)to speak loudly in the reading room.
小题2:All of us are preparing for the (即将来临的) exams.
小题3:Thanks for your _______________(有价值的) suggestions.
小题4:Wild animals are in danger now because of the (丧失) of their living areas.
小题5:Some films that Hepburn acted in_____________(包括) Funny Face, Breakfast at Tiffany’s and My Fair Lady.
完形填空。 | ||||
Sometimes, I doubted if there was any love between my parents. Every day they were 1 earning money. They didn't 2 in the romantic 13 that I read in books. For them, "I love you" was too luxurious (奢侈) When he was 14 working, my father had a bad temper. One day, my mother was 15 a quilt. I sat beside her and looked at her. "Mom, I have a question to ask you," I said. " 16 is it?" she replied. "Is there any love between you and Dad?" I asked 17 . My mother stopped her work and raised her head with 18 in her eyes. She didn't answer immediately. 19 she continued her work. I was very 20 because I thought I had 21 her. But at last, my mother said 22 , "Susan, look at this thread. Sometimes it is 23 , but most of it disappears into the quilt. The thread really makes the quilt strong. If life is a 24 , then love should be a thread. It can hardly be 25 anywhere, but it's really there. Love is inside." I listened carefully but I didn't 26 her until the next spring when my father became seriously ill. My mother had to stay with him in the hospital for a month. After they were back, every day in the morning, my mother 27 my father to walk slowly along the country road. My father had never been so gentle. The doctor had said my father would 28 in two months. But after two months he still couldn't walk by himself. "Dad, how are you feeling now?" I asked him one day. "Susan, don't worry about me," he said gently. "To tell you the truth, I just like 29 with your mom." Reading his eyes, I knew he 30 my mother a lot. | ||||
|
肢数