有5类内分泌细胞，能分泌7种不同激素的内分泌器官是A.下丘脑B.腺垂体C.甲状腺D.肾上腺E.松果腺

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• 1某村欲购买甲乙丙三种树,已知甲乙丙三种树的价格之比为2:2:3,甲种每颗200元,现计划用21000
  某村欲购买甲乙丙三种树,已知甲乙丙三种树的价格之比为2:2:3,甲种每颗200元,现计划用210000元资金,购买这三种树共1000颗.若购买甲种树的棵树是乙种树的2倍,恰好用完资金,求这三种树个能购买多少颗若又增加了10120元的购树款,在购买总棵树不变的前提下,求丙树最多购买多少颗?
  
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• 2The authors attitude toward James Inhofes famous remark is______.A．enthusiasticB．criticalC

  The authors attitude toward James Inhofes famous remark is______.

  A．enthusiastic

  B．critical

  C．cynical

  D．apathetic

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• 3平酸腐败主要表现为A、罐头内容物酸度降低而外观正常B、罐头内容物酸度降低并发生胖听C、罐头内容物

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  B、罐头内容物酸度降低并发生胖听

  C、罐头内容物酸度不变而发生胖听

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  E、罐头内容物酸度增加而外观完全正常

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• 4第十四题怎么写?
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• 514怎样做?
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• 6Which of the following is TRUE about the research conducted by Jose Domingo Villaroel？A．In

  Which of the following is TRUE about the research conducted by Jose Domingo Villaroel？

  A．In the first set of experiments, the kids seemed to regard self-motion as the defining quality.

  B．Jose Domingo Villaroel has got the desirable outcome from his experiments.

  C．In the second set of experiments, the kids would generally hesitate before breaking social rules.

  D．His research result is confirmed by the similar experiments conducted in other countries.

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• 7如图，四边形ABCD为矩形纸片，把纸片ABCD折叠，使点B恰好落在CD边的中点E处，折痕为AF，若C
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• 8It can be inferred from me end of me passage mat______.A．civic crowd－funding may not be a

  It can be inferred from me end of me passage mat______.

  A．civic crowd-funding may not be a long-term solution to relieve Detroit"s problems

  B．what is shown in Hollywood movies is often me reflection of me real world

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  D．Detroit would depend on some decisive figures to overcome its financial difficulties

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• 9已知抛物线y=-（x-m）2+1与x数的交点为A，B（B在A的右边），与y轴的交点为C，顶点为D．（
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• 10在CIF术语下,以下是买方义务的为：A、购买保险B、租船订舱C、出口国报关D、进口国清关

  在CIF术语下,以下是买方义务的为：

  A、购买保险

  B、租船订舱

  C、出口国报关

  D、进口国清关

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