皮皮学,免费搜题
登录
搜题
【单选题】
对于网络授课方式你更喜欢
A.
看老师录好的授课视频。
B.
看网上的相关视频。
C.
我喜欢看电子书或者自己阅读ppt,最好老师能在线指导答疑。
D.
我希望老师能直播,就像在实验室一样。
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】关于定时器,若振荡频率为12MHz,在方式0下最大定时时间为( )
A.
8.192ms
B.
256us
C.
65.535ms
D.
其它
【判断题】朗伯-比尔定律不仅适用于溶液,也适用于其它均匀非散射的吸光物质(气体、固体),是各类吸光光度法定量分析的依据,吸光度具有加和性。
A.
正确
B.
错误
【简答题】Does it always matter if the 'real world' is not being practised in the classroom? Why or why not?
【单选题】What is this talk mainly about?
A.
Why is the world tourism industry declining.
B.
How does the world economy influence the tourism industry.
C.
What is the development of the world tourism industry in the past 5 years.
D.
What are the factors that influence the world tourism industry.
【单选题】Why does English widely used in the world? Because______.
A.
it has the largest number of speakers in the world
B.
it is spoken not only in Britain but also in America
C.
it is one of the most important working languages in many fields
D.
A, B and C.
【简答题】原料药指用于生产各类制剂的原料药物,是制剂中的有效成分。原料药的含量测定应首选A、容量分析法 B、色谱法 C、酶分析法 D、微生物法 E、生物检定法 鉴别药物时,专属性最强的方法是A、紫外分光光度法 B、红外分光光度法 C、荧光法 D、质谱法 E、化学法 用于原料药或成药中主药含量测定的分析方法的认证不需要考虑A、定量限和检测限 B、精密度 C、选择性 D、耐用性 E、线性与范围
【单选题】原子吸收分光光度法适用于测定中药制剂中的
A.
含量高的主成分
B.
挥发性成分
C.
脂溶性成分
D.
重金属元素及无机元素
E.
具有荧光的物质
【简答题】Why does Ancona say that 'in the real world, good teams, according to our own definition, often fail'?
【单选题】Why does the World Health Organization give help to national governments to wipe out malaria?
A.
The author does not give any reason in the whole passage.
B.
Local governments are not skillful enough to kill mosquitoes.
C.
Current sprays are not powerful enough to kill mosquitoes.
D.
No new poisons have been developed to kill mosquitoes so far.
【单选题】关于定时器,若振荡频率为12MHz,在方式0下最大定时时间为( )。
A.
8.192ms
B.
65.536ms
C.
0.256ms
D.
16.384ms
相关题目: