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【简答题】
激光的英文简称是: ;英文全称是 。
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反馈参考答案：
举一反三
【单选题】以下对应正确的是（ ）
A.
Ⅰ型超敏反应——免疫复合物型超敏反应
B.
Ⅱ型超敏反应——细胞毒性超敏反应
C.
Ⅲ型超敏反应——细胞溶解型超敏反应
D.
Ⅳ型超敏反应——过敏反应
E.
以上均正确
【简答题】高中历史必修一课后习题答案第四单元第3课祖国统一大业，供大家参考学习
【单选题】Sheila had been making pottery for several years. In her informative speech, she gave a presentation with the following main points. I. The first step in making pottery is preparing the clay. II. ...
A.
ascending
B.
process
C.
chronological
D.
descending
E.
topical
【单选题】The second step in the marketing research process is the __________.
A.
development of the research plan
B.
definition of the problem and research objectives
C.
survey of stakeholders to determine if problems exist
D.
decision regarding the research tools and target group
E.
collection of the available sources for needed information
【单选题】What did the researchers learn from the second step?
A.
The trees in the new forest were in different size.
B.
The insects in the new forest had a different taste.
C.
Tamarins could get used to the new environment.
D.
Above 80% of tamarins survived.
【单选题】The second step in the three-step process for solving an ethical problem is to _______.
A.
analyze the consequences
B.
analyze the problem
C.
make a decision
D.
analyze the actions
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