问题
单项选择题 A1型题
转化过程中受体菌摄取供体菌遗传物质的方式是（）。
A.通过性菌毛
B.直接摄入
C.以噬菌体为载体
D.细胞融合
E.通过基因间跳跃
答案
参考答案：B
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转化过程中受体菌摄取供体菌遗传物质的方式是（）。
A.通过性菌毛
B.直接摄入
C.以噬菌体为载体
D.细胞融合
E.通过基因间跳跃
参考答案：B
After the earthquake his northeast Japan on March 11, 2011, many touching stories that I saw with my own eyes happened around me. I had to walk home since all the 31 had stopped after the quake. On my way home I 32 an old Japanese lady at the bakery shop who was giving out free bread, which made my heart 33 . A middle-aged Japanese man was holding a sign that said, “Please use our 34 .” He was 35 his house for people to go to the restroom. My friend wanted to 36 others. He stood in the cold with a sign “If you are okay with a motorcycle, I will 37 you to your house.” And then I saw him take one gentleman home, all the way to faraway place! Then the next day I drove to 38 my car with gas. There was a 39 gas now and many gasoline stations were either closed or had very 40 lines. I got 41 ,since I was behind 15 cars. Finally, when it was my 42 , the man smiled and said, “ 43 this aituation, we are only giving $ 30 worth gas per person. Is that alright?”“Of course, I’m just glad that we are all able to 44 ,” I said. His smile gave me so much 45 . I saw a man at the evacuation(疏散) center 46 when people brought food to him, It was the first time in three days that food has been brought to their center. However, after he wiped the tears, his next 47 surprised me. “I am very 48 that we are provided with food. But people in the city next to us haven’t 49 any food at all. Please go to that centre as well.” And when hearing that, I realized there is a bright future on the other side of this 50 .
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