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知道智慧树答案 
1、单选题：
1. Which of the following is not a defining feature of research?
选项：
A: Systemic
B: Controlled
C: Informal
D: Critical investigation
答案: 【 Informal】
2、单选题：
2. Which of the following methods are not used in qualitative research?
选项：
A: Interview
B: Modeling and analysis of data
C: Focus group
D: Observation
答案: 【 Modeling and analysis of data】
1、单选题：
1. Which of the following statements is false?
选项：
A: We should better use affirmative structures.
B: We should avoid contractions and colloquial words.
C: We should better use impersonal constructions.
D: We should avoid the first person pronoun I and the second person pronoun you.
答案: 【 We should better use affirmative structures.】
2、多选题：
2. What kinds of contents are expected in an introduction in academic writing?
选项：
A: Establish the importance of your field.
B: Provide research background.
C: Locate a gap in the research.
D: Describe the present paper.
答案: 【 Establish the importance of your field.;
Provide research background.;
Locate a gap in the research.;
Describe the present paper.】
1、单选题：
1. Which of the following cannot be used as criteria for choosing a topic?
选项：
A: Relevant
B: Practical
C: Significant
D: Risky
答案: 【 Risky】
2、单选题：
2. Look at the two topics, and decide which one is better.
选项：
A: Poetic imagery in Eng
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