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阅读理解。 BERLIN - With the crisis in Japan raising fears about nuclear power, Germany and Switzerland said on Monday that they would reassess the safety of their own reactors. Doris Leuthard, the Swiss energy minister, said Switzerland would put off plans to build nuclear plants. She said no new ones would be permitted until experts had reviewed safety standards. Germany will put off 'the recently decided extension of the running time of German nuclear plants, ' Chancellor Angela Merkel told reporters. 'This moratorium (延缓)will run for three months and it will allow for a thorough examination of the safety standards of the county's 17 nuclear power plants. The European Union called for a meeting on Tuesday of nuclear safety authorities to assess Europe's preparedness. Germany's foreign minister, Guido Westerwelle, called for a new risk analysis of the country's nuclear plants, particularly regarding their cooling systems. He is the leader of the Free Democratic Party, which strongly supports nuclear power. A previous government, led by the Social Democrats, passed a law in 2001 to close all the country's nuclear plants by 2021. But Mrs. Merkel's government changed that decision last year to extend the lives of the plants by an average of 12 years. In Switzerland, Doris Leuthard said she had already asked to analyze the exact cause of the problems in Japan and draw up new or tougher safety standards 'particularly in terms of seismic(地震的) safety and cooling.' In Russia, the Prime Minister said his government would 'draw conclusions from what's going on in Japan.' 1. Where can you most likely read this passage? A. In a newspaper. B. In a magazine. C. In a science report. D. In a diary. 2. How will Germany react to Japan's nuclear crisis? A. Germany will close all the country's nuclear plants. B. Germany will hold a meeting of nuclear safety authorities. C. Germany will change the decision made last year. D. Germany will delay the extension of nuclear plants running time. 3. The author mentions all the following EXCEPT ______. A. The moratorium in Germany will give time to examine the nuclear plants safety standards. B. Switzerland will not build new nuclear plants unless they meet the experts' safety standards. C. The Social Democrats in Germany shares the same view with the Free Democratic Party. D. Russia will try to learn something from the nuclear power crisis in Japan. 4. What is the best title of the passage? A. Watch Out for the Danger of Nuclear Power B. Europe Is against Building Nuclear Plants C. Nuclear Plants in Europe Are Delayed D. Opinions on Nuclear Power Are Opposite.
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【简答题】课堂教学两个要点是什么?
【单选题】正常成人角膜垂直径约为
A.
9-10mm
B.
10-11mm
C.
11-12mm
D.
12-13mm
【单选题】关于胆固醇合成的调节的叙述中,错误的是
A.
饥饿可抑制胆固醇的合成
B.
胆固醇可反馈抑制胆固醇的合成
C.
胰岛素可抑制胆固醇的合成
D.
皮质醇可抑制胆固醇的合成
E.
甲状腺素可促进胆固醇转变为胆汁酸
【单选题】假设二叉树根结点的层次为0,一棵深度(高度)为k的满二叉树和同样深度的完全二 叉树各有f个结点和c个结点,下列关系式不正确的是( )。
A.
f >=c
B.
c>f
C.
f=2k-1-1
D.
C>2k-1
【单选题】假设二叉树根结点的层次为0,一棵深度(高度)为k的满二叉树和同样深度的完全二叉树各有f个结点和c个结点,下列关系式不正确的是
A.
f>=c
B.
c>f
C.
f=2的k-1次幂减1
D.
c大于2的k次幂减1
【单选题】某高度为k的完全二叉树中,所含叶子结点的个数最少为( )。
A.
2k
B.
k
C.
2k-2
D.
2k-1
【单选题】设二叉树根结点的层次为0,一棵深度(高度)为k的满二叉树和同样深度的完全二叉树各有f个结点和c个结点,下列关系式正确的是(24)。
A.
f>=c
B.
c>f
C.
f=2k-1
D.
c>2k-1
【简答题】高度为 K ( K>=2 )的完全二叉树至少有 个叶子结点。
【单选题】假设二叉树根节点的层次为0,一棵深度(高度)为k的满二叉树和同样深度的完全二叉树各有f个节点和c个节点,下列关系式不正确的是
A.
f≥c
B.
c>f
C.
f=2的k-1次幂减1
D.
c大于2的k次幂减1
【单选题】假设二叉树根节点的层次为0,一棵深度(高度)为k的满二叉树和同样深度的完全二叉树各有f个节点和c个节点,下列关系式不正确的是
A.
f≥)c
B.
c>f
C.
f=2的k-1次幂减1
D.
c大于2的A次幂减1
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