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【简答题】
阅读理解。 Sitting is an art that isn’t getting passed along. People these days feel as though they have to be doing something. If they are not working, they are jogging, or playing tennis or golf, or taking courses to improve their minds or bodies-or they are parked in front of the TV. Sitting in front of the TV isn’t sitting- it’ s watching. People used to sit a whole lot. You would walk down the street or drive down the road, and there they would be, out on the doorsteps, sitting. You could go down to the store and sit on the bench out front in the summer or around the fire in the winter. There were sitting benches out in the town square. At the garage (车库), there were straight-backed chairs. There among the oilcans and tires and spare parts, you could kick back and sit. Houses used to have sitting rooms, where the grown-ups would go after Sunday dinner. Mom and Dad, Grandpa and Aunt Ruby would sit and digest chicken and talk about Aunt Ethel's illness, and how well the minister did today. Outside, the children would play, and the afternoon would pass by in a comfortable haze ( 悠闲的氛围 ). That sort of thing looks like doing nothing. A recharging battery (正充电的电池) doesn’t look as if it' s doing anything either. Sitting restores your soul. If you want to enjoy a truly full life, don’t just do something-sit there. 1. What message does the author try to get through to us? A. People should make better use of their sitting room. B. People should spend less time watching TV. C. People should pass down their good habits. D. People should take things easy for their own good. 2. We can learn from the second paragraph that ________. A. people lived a more restful life in the past B. towns were built to make living convenient C. small town garages had a lot to offer D. people enjoyed going out for a drive 3. The sitting room mentioned in the text used to be a place for_______. A. eating food B. watching TV C. gathering together D. playing with children 4. From the text we know the writer believes ________. A. sitting has a good spiritual effect B. sitting helps people remember the past C. a sitting room may have different purposes D. a sitting room is important for the old
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【多选题】表观遗传修饰可以
A.
B.
激活基因表达
C.
不影响基因表达活性
D.
抑制基因表达
【单选题】下列哪种因素可使癌基因激活(    )
A.
正常基因表达增强    
B.
正常基因表达减弱
C.
抑癌基因表达增强    
D.
癌基因发生点突变
E.
细胞增殖、分化增强
【单选题】若一棵度为7的树有8个度为1的结点,有7个度为2的结点,有6个度为3的结点,有5个度为4的结点,有4个度为5的结点,有3个度为6的结点,有2个度为7的结点,则该树一共有(48)叶结点。
A.
35
B.
36
C.
77
D.
78
【单选题】能明显降低血浆甘油三酯的药物是
A.
考来烯胺
B.
普罗布考
C.
塞伐他汀
D.
乐伐他汀
E.
苯扎贝特
【简答题】1MB不等于().A. A:2的20次方Byte B. B:100万Byte C. C:1024*1024Byte D. D:1024KB
【简答题】创意是提升旅游产品附加值的重要途径,发展文化产业的关键。默写《陋室铭》第一句,并结合《印象丽江 • 雪山篇》、云南民族村“树皮张”、宁夏镇北堡西部影城案例,谈谈你对旅游创意的本质、灵感的来源、项目落地需具备条件的认识。
【单选题】1MB不等于()。
A.
2的20次方Byte B、100万Byte
B.
100万Byte
C.
1024×1024Byte
D.
1024KB
【单选题】能明显降低血浆甘油三酯的药物是
A.
胆汁酸结合树酯
B.
抗氧化剂
C.
吉非贝齐
D.
洛伐他汀
E.
多烯脂肪酸类
【多选题】等位排斥现象可发生于
A.
K基因表达
B.
入基因表达
C.
BCR的V基因表达
D.
TCR的V区基因表达
E.
HLA-Ⅰ类基因表达
【单选题】细胞分化的实质是( )。
A.
基因选择性表达
B.
管家基因的表达
C.
特殊基因的表达
D.
调节基因的表达
E.
活性基因的表达
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