Generally speaking, in an abstract, the opening and concluding statements are written in the present tense or the present perfect tense, while the methods and results are expressed in the past tense.
对
举一反三
- When you point out the purpose / problem of research again, the is mainly used. A: present tense B: present perfect tense C: past tense D: future tense
- If the research material is conventional and not a specific material reported in the paper, we use ( ). A: the present perfect tense B: the future tense C: the simple present tense D: the simple past tense
- 中国大学MOOC: Three kinds of verb tenses are frequently used in English news headlines: present tense, future tense and present perfect tense.
- 中国大学MOOC: For something that has occurred in the recent past, BrE tends to use the simple tense while AmE shows the preference for the present perfect tense.
- While writing suggestions for future studies, you are advised to use _________. A: the future tense B: the past tense C: the present tense D: the progressive tense
内容
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Which of these is NOT a tense? ( ) A: The present continuous B: The past perfect C: The future perfect continuous D: The passive
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中国大学MOOC: You use present perfect tense for jobs you held and present tense for jobs you currently hold.
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When we write about our first day of college experience, which tense do we use the most?___( ) A: Past tense B: Present tense C: Future tense
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Which of the following tense is NOT usually used to make a generalization of a fact or certain phenomenon happening recently? A: present tense B: present continuous C: present perfert D: future tense
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Choose true or false according to the statement of tense which frequently used in scientific papers.——Results often use present tense. A: 正确 B: 错误