下列各组物质转化的设计,能够实现的是( ) A.CuOH2OCu(OH)2H2S

题型:选择题

问题:

下列各组物质转化的设计,能够实现的是(  )

A.CuO

H2O
Cu(OH)2
H2SO4
CuSO4

B.Fe

O2
Fe2O3
H2SO4
FeSO4

C.Ba(OH)2

HC1
BaCl2
CO2
BaCO3

D.Mg

H2SO4
MgSO4
KOH
Mg(OH)2

考点:物质的相互转化和制备
题型:选择题

关于桂枝的描述哪些是错误的

A.辛甘温

B.归心肺,膀胱经

C.辛温发散,甘温助阳,既走表,又走里

D.辛温助热,易伤阴动血

E.多用于孕妇及月经过多者

题型:选择题

A good translator is by definition bilingual. The opposite is not ______(1) true, however. A born and bred bilingual will still need two__________(2) to become a translator: first, the skills and experience necessary for__________(3); second, knowledge of the field in which he or she will__________(4). The skills and experience for translation include the ability to write ______(5) in the target language, the ability to read and understand the_________(6) language material thoroughly, and the ability to work with the latest__________(7) and communication hardware and software.Does a born and bred bilingual__________(8) a better translator than someone who learned language B later in__________(9) There is no definite answer, but the following issues are important.__________(10), a born and bred bilingual often suffers from not truly knowing __________(11) language well enough to translate, with some even suffering from what __________(12) known as a lingualism, a state in which a person lacks_________(13) full, fluent command of any language. Second, born and bred bilinguals__________(14) don’’t know the culture of the target language well enough to_________(15) top-quality translations, or cannot recognize what aspects of the source language__________(16) its culture need to be treated with particular care, as they_________(17) in a sense too close to the language. And last, they often_________(18) the analytical linguistic skills to work through a sticky text.On_________(19) other hand, the acquired bilingual may not have the same in-depth _________(20) of colloquialisms, slang, and dialect that the born bilingual has. Also, the acquired bilingual will not be able to translate as readily in both directions (from B to language A and A to language B). Finally, born bilinguals often have a greater appreciation of the subtleties and nuances of both their languages than someone who learns their B language later in life can ever hope to have.

题型:选择题

当单元机组发电机跳闸时,锅炉和汽轮机可以维持最低负荷运行。

题型:选择题

临柜员应将现金、印鉴、密押、重要凭证等物品()后放入款箱封存,在柜台内等候运钞车。

题型:选择题

在TD-SCDMA系统中,UE可以有哪几种操作模式?其中又可以分为哪几种状态,这些状态的定义了什么?

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