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听力原文:W: Welcome to our programme, John. M: Thank you. W: You have been playing basketball in the U.S.A. for quite a few years. Have you [alculated how much money you've made? M: No. Seriously speaking, I haven't done that. W: It must be a very large mount. Everybody knows that. What significance does it have for you? M: At the beginning, I was a little bit excited. But after that, I didn't feel anything special. W: Why were you excited? M: It was a big change for me, a huge increase in my income. W: Can you make a comparison? M: At least I can say ! have much more money than I used to. I had a dream when I was a small child that I would buy a lot of toys and a lot of delicious food when I had money. But when I had money finally, I suddenly lost all the interest in these things. I just thought how childish my thoughts had been. W: Childish? Really? M: Yeah. However, it was those childish thoughts that gave me the drive to study hard as a student and to train hard as an athlete. W: Which do you like better, the way you are now or the way you used to be? M: Well, whenever people ask me what film or music I like, I find they are hard questions because it depends on the mood I'm in. When I'm happy, sad films aren't good choices. W: Do you mean it depends on your mood? M: Don't you think so? When you feel something is the most important thing in your life, then it becomes the most important thing-- the best thing in your life. W: I see. Let's take a break and then we'll move on to our next topic. M: OK. (23)
A.
An American baseball player in New York.
B.
A foreign basketball player in the U.S.A.
C.
A foreign baseball player in the U.S.A.
D.
An American basketball player in Spain.
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【简答题】如图是一些常见的单质、化合物之间的转化关系图,有些反应中的部分物质被略去.反应①常被应用于野外焊接钢轨,A为日常生活中常见的金属单质,G为黄绿色气体,F是海水中含有盐的主要成分,J为D、G反应产物形成的水溶液. 请回答下列问题: (1)H的化学式为______. (2)反应②在工业上通常称之为______工业. (3)写出反应③的离子方程式______. (4)写出反应②的化学方程式______.
【简答题】铝是一种重要金属: (1)生产中曾用铝热反应焊接钢轨,则铝与氧化铁发生反应的化学方程式为:____________________                       (2)铝与NaOH溶液反应的离子方程式为:_________________________。 (3)工业上用铝土矿(主要成分为A1 2 O 3 ,还有少量的Fe 2 O 3 ,SiO 2 等杂质)提取氧化铝作冶炼铝的原料,...
【判断题】正反馈环是不包含“-”因果链的
A.
正确
B.
错误
【单选题】血容量从孕 _ 周开始增加
A.
32-34
B.
6-8
C.
6-10
D.
14-27
E.
28-30
【简答题】铝是一种重要金属:(1)生产中曾用铝热反应焊接钢轨,则铝与氧化铁发生反应的化学方程式为:______ (2)铝与NaOH溶液反应的离子方程式为:______. (3)工业上用铝土矿(主要成分为A1 2 O 3 ,还有少量的Fe 2 O 3 ,SiO 2 等杂质)提取氧化铝作冶炼铝的原料,提取的操作过程如下: ①I和II步骤中分离溶液和沉淀的操作是;______; ②沉淀M中除含有泥沙外,一定还含有...
【单选题】一个由理想运算放大器组成的同相比例运算电路,其输入、输出电阻是
A.
输入电阻高,输出电阻低
B.
输入、输出电阻均很高
C.
输入、输出电阻均很低
D.
输入电阻低,输出电阻高
【单选题】妊娠期母体循环变化正确的是
A.
心脏容量从妊娠早期至孕末期约增加15%
B.
心搏出量约自妊娠10周开始增加,至临产期达高峰
C.
血容量增加,血浆增加高于红细胞,使血液稀释,出现生理性贫血
D.
妊娠期心率每分钟增加约5次~10次
E.
右旋增大的子宫压迫下腔静脉产妇易发生心衰
【单选题】妊娠期母体循环变化正确的是( )
A.
心脏容量从妊娠早期至孕末期约增加15%
B.
心搏出量约自妊娠10周开始增加,至临产期达高峰
C.
血容量增加血浆高于红细胞,使血液稀释,出现生理性贫血
D.
妊娠期心率每分钟增加约5次~10次
E.
右旋增大的子宫压迫下腔静脉产妇易发生心衰
【单选题】关于妊娠期母体循环变化,正确的是
A.
心脏容量从妊娠早期至孕末期约增加15%
B.
心搏量约从妊娠10周开始增加,至临产期达高峰
C.
血容量增加,其中血浆的增加多于红细胞的增加
D.
妊娠期心率每分钟增加约5次
E.
右旋子宫压迫下腔静脉产妇易发生心力衰竭
【判断题】正反馈环是不包含“-”因果链的
A.
正确
B.
错误
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