沿程水头损失() A.与流程长度成正比,与壁面切应力和水力半径成反比 B.与流程长度

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问题:

沿程水头损失()

A.与流程长度成正比,与壁面切应力和水力半径成反比

B.与流程长度和壁面切应力成正比,与水力半径成反比

C.与水力半径成正比,与流程长度和壁面切应力成反比

D.与壁面切应力成正比,与流程长度和水力半径成反比

考点:勘察设计行业考试全国勘探设计注册工程师公共基础考试上午真题2013年
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—Can you tell me how long _______ this book?

—Three days. [ ]

A. I can borrow

B. I can keep

C. can I borrow

D. can I keep

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John told me he’d like to go hiking with me, his voice        joy.

A.was heavy with

B.was full of

C.heavy with

D.full with.

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促销的实质是营销管理者与目标市场之间的()。

A.合作研发

B.资金融通

C.竞争博弈

D.信息沟通

题型:单项选择题

Washington: The Bush administration has ______ for the first time that it may be willing to ______ a multinational force in Iraq to operate under the ______ of the United Nations as long as ______ by an American. The idea was described by Richard L.Armitage, the deputy secretary of state, as just"______" in discussions at the United Nations. It was first ______ publicly last week by Kofi Annan, the United Nations’ secretary general. Mr. Armitage’s remarks, made ______ to regional reporters and released by ______ today, represent ______ in course for the administration, which has until now insisted that all ______ matters in Iraq remain under total American control. Allowing the United Nations ______ would be intended to win the support of the Security Council for ______ authorizing the occupation of the country. In his remarks, Mr. Armitage ______ to discuss the plans ______, saying, "I don’t think it helps to ______ publicly fight now." But he described the arrangement under consideration as "a multinational force ______ "in which "the American would be the U.N. commander." On Monday, Defense Secretary Donald H. Rumsfeld was asked whether he could ______ American troops fighting ______ . His answer: "I think that’s not going to happen." But he went on to rule out only ______ meaning by the United Nations, whose troops wear blue helmets over a peacekeeping force in Iraq.

题型:单项选择题

消防水箱与生活水箱合用,水箱应储存()分钟消防用水量。

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