外轨超过最大限度为600mm轨距外轨超过不得超过()。
A.50mm
B.60mm
C.70mm
D.80mm
参考答案:A
Kofi Annan says helping survivors of last week’’s earthquake and (1)________in the Indian Ocean is (2)________. The United Nations secretary-general says countries that have offered aid must (3)________and provide it. The offers add up to around (4)________dollars. United Nations officials say (5) ________of that is needed during the next six months.The concern about offers of international aid is (6)________. For example, the earthquake in Bam, Iran, in (7)________of 2003 killed more than (8) ________people. Countries and groups offered hundreds of millions of dollars (9) ________. The United Nations says it has (10)________only about (11)________dollars in aid received so far. Governments and organizations that offered help (12) ________that, however.On (13)________Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14)________. The leaders discussed and (15)________the idea of (16)________owed by affected nations. But the leaders did not say they would do so. Some said that (17)________to survivors would be more helpful.Representatives of (18)________countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19)________ for the Indian Ocean and the (20)________.
智能手表的出现改变了我们对手表的概念,智能手表不仅仅用来看时间,它可以与互联网相连,我们可能因此而改变生活习惯;同时我们还可以用它监测自己的健康状况,提高自己的健康水平。这反映出()
①生产决定消费的方式
②消费是生产总过程最终目的
③消费为生产创造动力
④生产决定消费的质量与水平
A、①②
B、③④
C、②③
D、①④