利用()来降低加在定子三相绕组上的电压的启动叫自耦降压启动。
A、频敏变压器
B、自耦变压器
C、电阻器
参考答案:B
下列句子中,加点成语使用最恰当的一句是 ( )
A.母亲去世的那天,他长歌当哭,涕泗交流,在场的众人无不为之动容。
B.徐志摩是新诗的诗魂,矛盾说他既是中国布尔乔亚“开山诗人”又是“末代诗人 ”,他以后的继承者未见有能望其项背的。
C.他最近状态不佳,接连几次考试都不理想,这样屡试不爽的境况,让他十分沮丧。
D.庄子《逍遥游》中的大鹏,“怒而飞,其翼若垂天之云”,这一广有羽翼的神鸟形象,充分体现了庄子散文汪洋恣肆的特点。
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 Barn, 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) .