更多“细胞兴奋性维持是因为（）”相关的问题
下列关于访问器的说法正确的有（）
A.只有get访问器的属性称为只读属性B.只有get访问器的属性称为只写属性C.只有set访问器的属性称为只读属性D.只有set访问器的属性称为只写属性
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旋转密封阀上游发生堵料进行处理时，应将循环风机的风量（），并（）平板闸门。
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A．accessingB．calculatingC．countingD．measuring
A．accessingB．calculatingC．countingD．measuring
A．accessingB．calculatingC．countingD．measuring
B．calculatingC．countingD．measuring
C．countingD．measuring
D．measuring
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《斯特拉斯堡公约》所指的产品是所有动产，包括天然动产和工业动产，加工过的，但不包括未加工的。
A.对 B.错
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我国负责制定和执行货币政策，防范和化解金融风险，维护金融稳定的机构是( )。
A．国家发展与改革委员会
B．中国证券监督管理委员会
C．中国银行业监督管理委员会
D．中国人民银行
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（ ）必须为劳动者提供符合国家规定的劳动安全卫生条件和必要的劳动防护用品，对从事有职业危害作业的劳动者应当定期进行健康检查。
A . 建设单位B . 规划部门C . 土地部门D . 用人单位
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第二次世界大战后，在发达国家，公司已成为西方各国企业的主要组织形式。
A.对 B.错
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普通镀镍溶液的主盐常采用硫酸镍，而不采用氯化镍，这是因为（），仅在特殊情况下才采用氯化镍作主盐。
A.氯离子使阳极溶解加快
B.氯化镍货源不足
C.大量氯离子使镍镀层内应力增大
D.氯化镍颜色过深
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请选择最适合的一项填入问号处，使之符合整个图形的变化规律。
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对称三相电路的有功功率P=3UIcosφ,其中φ角为( )
A. 相电压与相电流之间的相位角B. 线电压与相电流之间的相位角C. 线电压与相电压之间的相位角
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下面哪篇文章主要论述了严肃剧的美感？（）A.《文学体裁》B.《论戏剧诗》C.《艺术作品的本源》D.《文艺复兴》
A.《文学体裁》
B.《论戏剧诗》
C.《艺术作品的本源》
D.《文艺复兴》
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From China to America, political leaders are wondering how to handle with the newly-elected Russian President Vladimir V. Putin. The 47-year-old leader has not yet to reveal details of his foreign-policy vision, but this is much clear. He wants Russia to stand tall—or at least, taller—in the world. "It would be unreasonable to be afraid of a strong Russia, but one should reckon with it, "he declared in an "open letter" to voters shortly after they elected him on March 26. "One can insult us only at one"s own peril."The important point is whether Putin"s efforts to build new respect for Russia will lead to confrontation with the West. For now, Putin seems hopeful of putting Russian—Western relations on a better standing— despite U.S. and European criticism of the Chechen War. Putin is the one taking the initiative, media say, for a tete-a-tete with U. S. President Bill Clinton. The pair discussed a possible meeting when Clinton called Putin on March 27 to congratulate him. They hope to meet before the July Group of Eight meetimg in Okinawa. "Putin wants it to be constructive," says Robert Legvold, a Russia watcher at Columbia University.The new president, Putin seems willing to negotiate arms control and security issues with Washington. Clinton wants Russia"s agreement to revise the 1972 anti-ballistic missile treaty so that the U. S. can build a limited national missile defense. Putin would want something in return—perhaps the right to sell its missile-defense technology to potential customers such as South Korea. Putin is also looking for a deal from the Paris Club of creditor governments on reducing $40 billion in Soviet debt. Encouraged by Putin"s promises to enforce the rule of law, the creditors are likely to give him a break.Any sober calculation of Russia"s global status suggests that Russia needs the West more than the West needs Russia. And whatever is generally thought, Russia has more to gain from America and Europe than it does from China. That"s why the West should be unafraid of laying down rules for Putin—and brace for a time of testing. Putin is often described as both an opportunist and a cynic, but there is no doubt one attribute that he respects: power.
A．China is vital to Russia.B．Russia is a threat to China.C．Russia needs the West in some aspects.D．Russia is a threat to the West.
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