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【单选题】
下列除去杂质的方法中,正确的是(  ) 选项 物质粉末(括号内为杂质) 去除杂质的方法 A NaCl(NaNO 3 ) 加入适量的AgNO 3 溶液、过滤 B CaCO 3 (Na 2 CO 3 ) 加水、过滤 C Zn(Cu) 加过量H 2 SO 4 溶液、过滤 D H 2 SO 4 (HNO 3 ) 加Ba(NO 3 ) 2 溶液、过滤
A.
A
B.
B
C.
C
D.
D
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【单选题】There is evidence that the usual variety of high blood pressure is, in part, a familial disease. Since families have similar genes as well as similar environments, familial diseases could be due to sh...
A.
because members of the same family tend to used similar amounts of salt
B.
to explore the long-term use of a sodium-based substance
C.
because it was proven that salt caused high blood pressure
D.
because of the availability of chemically pure salt
【简答题】Est-ce que Nicolas sait bien ses leçons?
【单选题】在产品生命周期的某个阶段,市场策略的重点要突出-个“陕”字,这个阶段是( )
A.
引入期
B.
成长期
C.
成熟期
D.
衰退期
【单选题】Which part of the Island of Great Britain is the most populous part?
A.
Scotland.
B.
England.
C.
Wales.
D.
Ireland.
【判断题】仓单具有物权凭证的法律性质.所以仓单的转让与提单类似.只需要背书即可。
A.
正确
B.
错误
【多选题】以孙中山为代表的中国民主革命的先驱者为挽救共和所做的努力的积极意义是( )
A.
.他们不屈不挠的斗争精神铭刻人心
B.
.使得民主共和的观念深入人心
C.
.基本达到了反帝反封建的目标
D.
预示着中国人民反帝反封建的革命斗争将要进入新的发展阶段
【单选题】The face is the most ______ of a human being.
A.
part is distinctly
B.
distinction in part
C.
distinctive part
D.
part of distinction
【单选题】______ is a process in which part of the form. is native and part is borrowed, but the meaning is fully borrowed.
A.
Loanshifting
B.
Loanblending
C.
Loan translation
D.
Logical connection
【简答题】请用手机拍摄一张照片,如人物、食品、风景皆可。完成后用手机的修图功能,通过调整明度、饱和度等,使得照片更具美观性。 完成后 ,请将原图、效果图一并上传,并简单描述一下调整的过程以及你的修图思路。(即调整了哪些参数,为什么要这样调整)
【简答题】Which part of Britain tends to be drier?
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