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【多选题】
下列哪一种文献属于零次文献:()
A.
专著
B.
书稿
C.
手稿
D.
期刊论文
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【单选题】From Dr. Dustan's study we can infer that _____.
A.
a low-salt diet may be prescribed for some people
B.
the amount of salt intake has nothing to do with one's blood pressure
C.
the reduction of salt intake can cure a hypertensive patient
D.
an extremely low-salt diet makes no difference to anyone
【单选题】Excess dietary salt may cause high blood pressure in all individuals.
A.
Y
B.
N
C.
NG
【单选题】High salt _________ may lead to heart attack
A.
health
B.
intake
【单选题】All Eskimos live most of their lives close to salt or fresh water. They may follow game inland for several hundred miles, but they always return to the shores of rivers lakes, or seas. Eskimo land has...
A.
Eskimos do not normally eat wolves.
B.
Eskimos like to chase one another.
C.
Eskimos depend heavily on water.
D.
Eskimos are meat-eater.
【单选题】下列句中划线词语意义的古今演变方向一致的是:A.后稷教民稼穑 今也滕有仓廪府库B.饔飧而治 从许子之道,则市贾不贰C. 百工之事,固不可耕且为也 有大人之事,有小人之事D.舍皆取诸其宫中而用之 兽蹄鸟迹之迹交于中国
A.
错误
B.
错误
C.
错误
D.
D
【单选题】According to Salt, what may be the solution to the problem for older women?
A.
Depend as much as possible on their offspring.
B.
Save a large amount of money for later expenses.
C.
Ask the government for essential assistance.
D.
Move their houses from cities to rural farming areas.
【单选题】下列句中划线词语意义的古今演变方向一致的是( )
A.
后稷教民 稼穑 今也滕有仓廪 府库
B.
饔飧 而治  从许子之道,则 市贾 不贰
C.
百工 之事,固不可耕且为也  有大人之事,有 小人 之事
D.
舍皆取诸其 宫中 而用之  兽蹄鸟迹之迹交于 中国
【简答题】已知:A、B、C为中学常见的单质,A为淡黄色固体;D、E、F、M为中学常见的氧化物,E是磁铁矿的主要成分(是黑色固体);H、K为中学常见的盐;M是一种常见的无色液体。各物质间的转化关系如下图所示(某些条件已略去)。 请回答: (1)物质H的化学式为 。 (2)由F与M作用生成G的化学反应基本类型为 。 (3)A与C在加热条件下反应的化学方程式为: 。 (4)G的浓溶液在加热条件下能跟C反应,该反应...
【简答题】"_________"即中央、省(自治区、直辖市)、地市及县级的各级政府教育职能部门对幼儿教育实施分级负责管理
【简答题】A.It may be painful. B.It may he a good thing. C.It may lead to true divorce. D.It may lead you to choose the wrong person.
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