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【单选题】
下列关于实验操作步骤的叙述中正确的是 [     ]
A.
试剂甲液和乙液可直接用于蛋白质鉴定
B.
脂肪的鉴定实验中需用显微镜才能看到细胞中被染成橘黄色的脂肪滴
C.
鉴定可溶性还原糖时要加入试剂甲液后再加入乙液
D.
用于鉴定蛋白质的双缩脲试剂A和B液要混合后，再加入含样品的试管中
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举一反三
【单选题】企业将自用的土地使用权用途改变,用于出租,正确的核算方法是
A.
自用的土地使用权和出租的土地使用权都按无形资产核算
B.
自用的土地使用权按无形资产核算，出租的土地使用权按投资性房地产核算
C.
自用的土地使用权按投资性房地产核算，出租的土地使用权按无形资产核算
D.
自用的土地使用权和出租的土地使用权都按投资性房地产核算
查看完整题目与答案
【判断题】闪光继电器的三个管脚,分别是接电源,接地,控制端的
A.
正确
B.
错误
查看完整题目与答案
【单选题】What does the author tell us about physicists today?
A.
They tend to neglect training in analytical skills.
B.
They are very good at solving practical problems.
C.
They attach great importance to publishing academic papers.
D.
They often go into fields yielding greater financial benefits.
查看完整题目与答案
【多选题】穿臂外侧肌间隔的结构有
A.
桡神经
B.
中副动脉
C.
桡侧副动脉
D.
肱深动脉
E.
桡侧返动脉
查看完整题目与答案
【判断题】企业改变土地使用权的用途,将自用的土地使用权用于对外出租,相关的土地使用权应当计入投资性房地产成本。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What went extinct and what lived in the deep ocean?
A.
coelacanth went extinct and the giant squid lived in the deep ocean.
B.
the giant squid went extinct and coelacanth lived in the deep ocean.
查看完整题目与答案
【单选题】What must ocean going vessels of 100GT to 400GT be fitted with for oily mixtures?
A.
A portable system to discharge oily mixtures to a reception facility
B.
A portable system to discharge the slops overboard
C.
A fixed system to discharge the slops overboard
D.
A fixed system to discharge oily mixtures to a reception facility
查看完整题目与答案
【单选题】You must not lose faith in humanity. Humanity is like an ocean;if a few drops of the ocean are dirty, the ocean does not become dirty.
A.
We cannot judge a person by his appearances so long as we have faith in humanity.
B.
Humanity is weak when there are some bad members.
C.
Though there are a few black sheep in our society, most people are not infected by them.
D.
However dirty the ocean may be, we can still swim in it.
查看完整题目与答案
【单选题】以下关于物理化学实验沸点仪的叙述错误的是( )。
A.
沸点仪中用回流冷凝的方法测定环己烷-乙醇体系的沸点和组成的。
B.
沸点仪中用来收集冷凝气相样品的球形空间应尽量小。
C.
沸点仪中冷凝管部分和圆底烧瓶部分应尽量靠近，但不能靠近到液相沸腾溅射范围内。
D.
沸点仪的基本设计思想是要尽量避免过热现象和分馏效应等引起的误差。
查看完整题目与答案
【单选题】What ocean did they have to go across?
A.
The South Atlantic Ocean.
B.
The North Atlantic Ocean.
C.
The East Pacific Ocean.
D.
The West Indian Ocean.
查看完整题目与答案
相关题目：
【单选题】企业将自用的土地使用权用途改变,用于出租,正确的核算方法是
A.
自用的土地使用权和出租的土地使用权都按无形资产核算
B.
自用的土地使用权按无形资产核算，出租的土地使用权按投资性房地产核算
C.
自用的土地使用权按投资性房地产核算，出租的土地使用权按无形资产核算
D.
自用的土地使用权和出租的土地使用权都按投资性房地产核算
查看完整题目与答案
【判断题】闪光继电器的三个管脚,分别是接电源,接地,控制端的
A.
正确
B.
错误
查看完整题目与答案
【单选题】What does the author tell us about physicists today?
A.
They tend to neglect training in analytical skills.
B.
They are very good at solving practical problems.
C.
They attach great importance to publishing academic papers.
D.
They often go into fields yielding greater financial benefits.
查看完整题目与答案
【多选题】穿臂外侧肌间隔的结构有
A.
桡神经
B.
中副动脉
C.
桡侧副动脉
D.
肱深动脉
E.
桡侧返动脉
查看完整题目与答案
【判断题】企业改变土地使用权的用途,将自用的土地使用权用于对外出租,相关的土地使用权应当计入投资性房地产成本。
A.
正确
B.
错误
查看完整题目与答案
【单选题】What went extinct and what lived in the deep ocean?
A.
coelacanth went extinct and the giant squid lived in the deep ocean.
B.
the giant squid went extinct and coelacanth lived in the deep ocean.
查看完整题目与答案
【单选题】What must ocean going vessels of 100GT to 400GT be fitted with for oily mixtures?
A.
A portable system to discharge oily mixtures to a reception facility
B.
A portable system to discharge the slops overboard
C.
A fixed system to discharge the slops overboard
D.
A fixed system to discharge oily mixtures to a reception facility
查看完整题目与答案
【单选题】You must not lose faith in humanity. Humanity is like an ocean;if a few drops of the ocean are dirty, the ocean does not become dirty.
A.
We cannot judge a person by his appearances so long as we have faith in humanity.
B.
Humanity is weak when there are some bad members.
C.
Though there are a few black sheep in our society, most people are not infected by them.
D.
However dirty the ocean may be, we can still swim in it.
查看完整题目与答案
【单选题】以下关于物理化学实验沸点仪的叙述错误的是( )。
A.
沸点仪中用回流冷凝的方法测定环己烷-乙醇体系的沸点和组成的。
B.
沸点仪中用来收集冷凝气相样品的球形空间应尽量小。
C.
沸点仪中冷凝管部分和圆底烧瓶部分应尽量靠近，但不能靠近到液相沸腾溅射范围内。
D.
沸点仪的基本设计思想是要尽量避免过热现象和分馏效应等引起的误差。
查看完整题目与答案
【单选题】What ocean did they have to go across?
A.
The South Atlantic Ocean.
B.
The North Atlantic Ocean.
C.
The East Pacific Ocean.
D.
The West Indian Ocean.
查看完整题目与答案