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【简答题】
已知f(x)是偶函数,且f(2+x)=f(2-x),当-2≤x≤0时,f(x)=2 x ,若n∈N * ,a n =f(n),则a 2009 =______.
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【单选题】作用最强的吩噻类药物是
A.
氯丙嗪
B.
奋乃静
C.
硫利达嗪
D.
氟奋乃静
E.
氯氮平
【简答题】Large population has caused many problems. For example, the traffic is very heavy in some big cities. During the last ten years, big cities like Beijing and Harbin were full of cars and buses. Now the...
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【简答题】阅读理解 Problem: I'm bored. We have a day off because of the heavy rain. If you didn't go to school today, what would you do? Why?LindaSome advice: If I were you, I would be at home doing something, such...
【简答题】阅读理解。 We may know some good health habits, but we don't realize how much difference they can make. In the 1970s, scientists at the University of California-Los Angeles asked 7,000 people about their h...
【单选题】下列关于资产支持证券的说法中正确的是( )。
A.
资产支持证券没有到期期限
B.
资产支持证券是企业融资的一种手段,任何企业都可以发行资产支持证券
C.
资产支持证券能够解决企业的现金流问题,转移一定的风险
D.
我国目前还没有资产支持证券产品
【单选题】关节尿酸炎是一种罕见的严重关节疾病。一种传统的观点认为,这种疾病曾于2500年前在古埃及流行,其根据是在所发现的那个时代的古埃及木乃伊中,有相当高的比例可以发现患有这种疾病的痕迹。但是,最近对于上述木乃伊骨骼的化学分析使科学家们推测,木乃伊所显示的关节损害实际上是对尸体进行防腐处理时所使用的化学物质引起的。 以下哪项如果为真,最能进一步加强对题干中所提及的传统观点的质疑?( )
A.
在我国西部所发现的木乃伊中,同样可以发现患有关节尿酸炎的痕迹
B.
关节尿酸炎是一种遗传性疾病,但在古埃及人的后代中这种病的发病率并不比一般的要高
C.
对尸体进行成功的防腐处理,是古埃及人一项密不宣人的技术,科学家至今很难确定他们所使用物质的化学性质
D.
在古代中东文物艺术品的人物造型中,可以发现当时的人患有关节尿酸炎的参考证据
【简答题】“Yes, madam, your husband ran into some trouble,” he replied. “They were caught in a heavy storm.” .Storms often cause trouble. When I was a baby, Dad had to spend long weeks at sea as a fisherman. On...
【简答题】阅读理解。 Problem: I'm bored. We have a day off because of the heavy rain. If you didn't go to school today, what would you do? Why? Linda Some advice: If I were you, I would be at home doing something, s...
【单选题】白色污染是指()。
A.
不可降解塑料造成的污染
B.
废纸
C.
进口洋垃圾
D.
抛弃的白色物质
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