皮皮学,免费搜题
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【简答题】
The word "university" comes from the Latin word "universitas", meaning "the whole". The modern definition of a university is an institution that teaches and examines students in many branches of advanced learning, awarding degrees and providing facilities for academic research. The origins of universities can be traced back to the Middle Ages, with the earliest European centers at Bologna, Italy, for law, founded in 1088. The first universities in England were established at Oxford in 1185 and at Cambridge in 1209. By comparison, the oldest universities in the U.S.A. are at Harvard, founded in 1636, and Yale, established in 1701. The English university in London was not founded until 1836. However, it was in the 1960s that the largest single expansion of higher education took place in Britain. One of the largest university developments was the foundation of the Open University in 1969. It is a nonresidential university which provides for life- long education of various backgrounds with part-time degree and other courses. It uses a combination of correspondence courses, television, radio broadcasts and the Internet, and summer schools for organization on a regional basis.
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举一反三
【单选题】We’ve known each other____ ten years.
A.
since
B.
in
C.
for
D.
on
【单选题】一种未知白色粉末药品(有可能是 Na 2 CO 3 、 NaHCO 3 和 NaOH 这三种物质中的一种或两种物质混合物)配成的溶液,现用双指示剂法(酚酞和甲基橙)用盐酸标准溶液进行滴定,当酚酞指示剂由红色完全褪去所消耗盐酸体积为 V 1 ,再加入甲基橙继续滴定,当甲基橙由黄色变为橙色时所消耗盐酸的体积为 V 2 。当 V 1 ≠0,V 2 >V 1 时,粉末的组成是:
A.
NaHCO 3
B.
NaOH
C.
Na 2 CO 3
D.
NaHCO 3 和 Na 2 CO 3
E.
NaOH 和 Na 2 CO 3
F.
NaOH 和 NaHCO 3
【简答题】我国引起咯血的前三位病因分别是()、()和()。
【判断题】B *We’ve known each other for many years.
A.
正确
B.
错误
【判断题】广告中重复可以加深顾客对企业的印象
A.
正确
B.
错误
【单选题】一种未知白色粉末药品(有可能是 Na 2 CO 3 、 NaHCO 3 和 NaOH 这三种物质中的一种或两种物质混合物)配成的溶液,现用双指示剂法(酚酞和甲基橙)用盐酸标准溶液进行滴定,当酚酞指示剂由红色完全褪去所消耗盐酸体积为 V 1 ,再加入甲基橙继续滴定,当甲基橙由黄色变为橙色时所消耗盐酸的体积为 V 2 。当 V 1 ≠0,V 2 =0 时,粉末的组成是:
A.
NaHCO 3
B.
NaOH
C.
Na 2 CO 3
D.
NaHCO 3 和 Na 2 CO 3
E.
NaOH 和 Na 2 CO 3
F.
NaOH 和 NaHCO 3
【单选题】一种未知白色粉末药品(有可能是 Na 2 CO 3 、 NaHCO 3 和 NaOH 这三种物质中的一种或两种物质混合物)配成的溶液,现用双指示剂法(酚酞和甲基橙)用盐酸标准溶液进行滴定,当酚酞指示剂由红色完全褪去所消耗盐酸体积为 V 1 ,再加入甲基橙继续滴定,当甲基橙由黄色变为橙色时所消耗盐酸的体积为 V 2 。当 V 2 ≠0,V 1 =0 时,粉末的组成是:
A.
NaHCO 3
B.
NaOH
C.
NaHCO 3 和 Na 2 CO 3
D.
NaOH 和 Na 2 CO 3
E.
NaOH 和 NaHCO 3
【简答题】历史上,最早的方阵是古()
【简答题】我国引起咯血的前三位病因是()、()和()
【简答题】完成整件西裙工艺
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