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【简答题】
（5分）下图中字母A~I分别表示不同的常见物质。“→”表示物质间存在转化关系；部分生成物已略去。请回答： （1）写出物质E、I的化学式：E__________；I___________。 （2）反应②中，单质A表现的化学性质是_______________。 （3）写出反应③的化学方程式：_______________________________________。
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举一反三
【多选题】Which of the following statements about “research problems/questions” in a research proposal is/are correct?
A.
Research problems/questions refer to the problems you have in your research.
B.
A statement of research problems indicates what your research is about and what it intends to achieve.
C.
It naturally leads to the thesis statement which specifies the points you intend to prove or disprove with your research.
D.
It includes the research background and the research methods in which your research is carried out.
【多选题】下列应按新药申请程序申报的药品注册申请是
A.
已上市药品由片剂改为胶囊剂的注册申请
B.
已上市药品由口服给药改为静脉给药的注册申请
C.
已上市药品的注册申请
D.
已上市药品增加新的适应证的申请
E.
生物制品仿制药申请
【多选题】下列按新药申请程序申报的是( )
A.
已上市药品改变剂型
B.
已上市药品改变给药途径
C.
已上市药品增加新适应证
D.
已上市药品改变生产工艺
E.
生物制品仿制药
【多选题】In the research methodology of an empirical research in Zhijiang College, we need to introduce _________.
A.
research question
B.
research hypothesis
C.
research background
D.
research procedure
E.
research instrument
【单选题】It can be inferred from the passage that ______.
A.
pure research and applied research are equally difficult
B.
applied investigation requires greater scientific ability
C.
applied research is not inferior to pure research
D.
in both pure research any applied research any scientific knowledge is worth seeking
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