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单项选择题

钢筋混凝土预制桩的接桩方法中，应用最多的是（）。

A.焊接
B.法兰
C.硫黄胶泥锚接
D.整浇法

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单项选择题
SECTION C NEWS BROADCAST
Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be given 10 seconds to answer the questions.
听力原文： The Clinton Administration Friday announced that it will close down US aid missions in 21 countries over the next three years. The move is seen as the key element in a plan to reorganize the US Agency for International Development and redefine its goals in the post Cold War era.
Details from VOA’s Douglas Roberts at the State Department. 'The announcement has been expected for many months and the only question at the Friday’s news conference by AID Administrator Bryan Rat Wood was which nations would be affected by the cutbacks, nine in Africa, four in Asia, six in Latin America and two in the Near East. Mr. Rat Wood said some have developed beyond the need for aid operations but others have been what he termed ' poor partners in the development process. ' He singled out Zaire or a dictatorial government has followed policies that made AID operations ineffective. ' We can no longer expect to go to the Congress of the United States, to the American people and tell them that we' re going to be investing their dollars in countries with governments such as the government of Zaire. That is the princi pal message of the announcement that we are making today. ' Mr. Rat Wood said AID will now concentrate on sustainable development programs in some fifty nations focusing on key areas including the environment, health and population, economic growth and the promotion of democracy. Douglas Roberts, VOA news at the State Department.'
The Clinton Administration announced Friday that ______.
A．US aid programs in 21 countries over the next three years will be halted
B．US aid missions in 21 countries over the next three years will be extended
C．the United States government will establish an aid assistant organization
D．the United States is willing to invest more on many developing countries such as Zaire
A.
听力原文：
B.
C.'
The
D.
A．US
E.US
F.the
G.the
单项选择题
A．半慢胰岛素锌混悬液 B．慢胰岛素锌混悬液
C．中性精蛋白锌胰岛素 D．低精蛋白锌胰岛素
E．精蛋白锌胰岛素
速效胰岛素是
A．
B．
C．
D．
E．
A.半慢胰岛素锌混悬液
B.慢胰岛素锌混悬液
C.中性精蛋白锌胰岛素
D.低精蛋白锌胰岛素
E.精蛋白锌胰岛素
速效胰岛素是
A．
单项选择题
羊足碾碾压法一般适用于大面积的（）的压实。

A.黏性土
B.碎石土
C.杂填土
D.砂性土
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