简述未来学校应有的特征。

甲公司在向乙银行申请贷款时以一张银行承兑汇票作质押担保。下载关于甲公司汇票质押生效要件的标书中，符合票据法律制度规定的是()

A.甲公司只须和乙银行签订该汇票的质押合同即可生效

B.甲公司只须将该汇票交付乙银行占有即可生效

C.甲公司只须向乙银行作该汇票的转让背书即可生效

D.甲公司只须在该汇票上记载“质押”字样、乙银行名称并签章即可生效

如图所示，是一个制取氯气并以氯气为原料进行特定反应的装置，其中各试剂瓶装的试剂为：B(氢硫酸)、C(溴化亚铁溶液)、D(碘化钾淀粉溶液)、E(混有SO₂的氯化钡溶液)、F(水)、H(紫色石蕊试液)。

(1)A是氯气发生装置，其离子反应方程式是：__________。

(2)Ⅰ中b瓶内加入的液体最好是____________。

(3)用图示的Ⅱ或Ⅲ代替Ⅰ是否可行？________，简要说明理由_____________________________。

(4)实验开始时，先点燃A处酒精灯，打开分液漏斗旋塞和Ⅰ处活塞，让氯气充满整个装置，再点燃G处酒精灯，回答下列问题：

①怎样证明氯气已充满整个装置？_____________。

②下列装置中的现象是C______________________；

D________；E____________；F________________。

(5)G装置的硬质玻璃管内盛有碳粉，发生氧化还原反应，其产物为二氧化碳和氯化氢，写出G中反应的化学方程式_______________________。装置F的作用是______________________。

(6)在H处，紫色石蕊试液的颜色由紫色变为红色，再变为无色，其原因是______________________________。

锅炉发生负荷骤减时，首先应（）。

A、打开放空阀

B、保持水位

C、减弱燃烧

D、加强燃烧

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 right 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.

为了提高测试的效率，正确的做法是______。

A) 选择发现错误可能性大的数据作为测试用例
B) 随机选取测试用例
C) 取一切可能的输入数据作为测试用例
D) 在完成程序的编码之后再制订软件的测试计划