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【单选题】
下列说法正确的是A.
配制100 mL 1．0 mol/L CuSO 4 溶液，可将25 g CuSO 4 ·5H 2 0溶于100 mL蒸馏水中
B.
将几根火柴头浸于水中，一段时间后取少量溶液于试管中，加AgNO 3 溶液、稀硝酸和NaNO 2 溶液，若出现白色沉淀，说明含有氯元素
C.
用纸上层析法分离某些物质时，为了看到色斑，只有有色离子的物质才可以用纸层析法
D.
减压过滤时，吸滤瓶内液面高度将达到支，应拔掉吸滤瓶上的橡皮管，并从吸滤瓶支倒出溶液
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举一反三
【单选题】While birth plans were perfectly sensible, only one seemed ______ in China's Particular situation.
A.
useful
B.
feasible
C.
available
D.
desirable
【单选题】According to the passage, what is PTK used to?
A.
To locate one's birth place.
B.
To promote genetic research.
C.
To find out if one is the father of a child.
D.
To help improve one's intelligence.
【简答题】PTK is used to __________. [A]locate one’s birth place [B]promote genetic research [C] identify parent-child kinship [D] choose children for adoption
【多选题】自治区、直辖市旅游行政管理部门提交如下文件( )。
A.
设立申请书、法定代表人履历表及身份证明
B.
企业章程
C.
依法设立的验资机构出具的验资证明
D.
经营场所的证明和营业设施、设备的证明或者说明
E.
工商行政管理部门出具的《企业名称预先核准通知书》
【单选题】PTK is used to ______.
A.
locate one's birth place
B.
promote genetic research
C.
identify parent-child kinship
D.
choose children for adoption
【简答题】Passage One The exact year of Christ's birth is not recorded, but the calendar began on the supposed date divides time into B.C. (before Christ) and A.D. (in the year of our Lord). Nor was the exact d...
【单选题】Diego Chiapello, legally blind since birth, isn't one of Italy's famous 'mama's boys' who live with their parents into adulthood. The 27-year-old lives alone in Milan, works as a network administrator...
A.
Ordinary.
B.
Optimistic.
C.
Dependent.
D.
Desirable.
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