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Do you want to know anything about ma staying in America? Well, Let me tell you the truth, it is really an eye-opening experience to study here. In China, I had English classes five times a week since the fifth grade. However didn’t know textbook English was very different from everyday English until I came to Hotchkiss School, Connecticut. When I first studied English, I was told to say,“I am fine” when people say “How are you?”But in the US, I found that people say,” I am good” or “I am tired.” One day, someone greeted me with” What’s up?”It made me confused. I thought for a moment and then smiled because I didn’t know what to say. Since then, I have discovered more and more differences between Chinese and the US cultures. To my surprise, the US girls spend a lot of time in burning sun getting a tan (晒黑). However, in China, girls try every possible way to get their skin paler(白的). I am also surprised by how hardworking the US students are. In China, schoolwork is almost everything, so we study hard all the time. But here, an “excellent” student gets good grades, does a lot for the public and plays sports or music .The kids here are so talented ,I am starting to be sorry that I gave up playing the piano at an early age and that I have never thought about sports. 小题1: How often did the writer have an English class in Grade Five? A. Four times a week. B. Five times a week. C. Six times a week. 小题2:To the winter, textbook English is everyday English. A. quite different from B. the same as   C. easier than 小题3:A good US student spends his/her time . A. only in doing homework B. only on sports or music C. on studies, sports or music and public work 小题4:Which of following is NOT true? A. The writer is now in the US B. American girls love to have while skin C. The US students are talented and hard working. 小题5:Which is the best title for the passage? A. My own Travel in the US. B. My Study in the US. C. My friends in the US.
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【简答题】下图为NA分子片段的结构模式图,请按要求回答下列问题: (1)请填写各部分的中文名称:①___________;②___________;④___________。 (2)有人形象地将DNA的平面结构比喻为一架“梯子”,那么组成这架梯子“阶梯”的物质是⑤______,它的形成靠_________相连。
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【判断题】江苏正式建省始于清康熙六年(1667年),取江宁、苏州两府的首字而得名
A.
正确
B.
错误
【简答题】电梯选层,定向后关门,只有轿门,厅门( )方可走梯试运行。
【判断题】江苏正式建省始于清康熙六年(1667年),取江宁,苏州两府的首字而名。( )
A.
正确
B.
错误
【判断题】17江苏正式建省始于清康熙六年1667年),取江宁、苏州两府的首字而得名。
A.
正确
B.
错误
【单选题】电梯选层、定向后关门,只有轿门、厅门( )方可走梯试运行。。
A.
关严后
B.
一个关闭
C.
未关闭
D.
慢速关门后
【单选题】下图是DNA分子片段的平面结构模式图,1-3组成DNA分子的基本结构单位,其中2表示
A.
氢键
B.
脱氧核糖
C.
碱基
D.
核苷酸
【简答题】下图为DNA分子(片段)平面结构模式图。请回答下列问题: 图中1、2、3结合在一起的结构叫(),其中2是()。
【单选题】下面是DNA分子片段的平面结构模式图,1~3组成DNA分子的基本结构单位,其中2表示
A.
氢键
B.
脱氧核糖
C.
碱基
D.
核苷酸
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