【判断题】In the abstract of a research paper, just present a couple of important results, and don't try to cram a lot of numbers into this part.
【判断题】Research background in the abstract of a research paper tends to be lengthy and detailed.
【单选题】In the abstract of a review article, there are usually five moves, after the move of indicating the reviewed focus, what might follow closely is the move that describes:
【多选题】what are the following tense we may use to write about the research objectives in the abstract of a research paper?
【单选题】Modal verbs are sometimes used in the abstract of a review article to:
A.
Illustrate the author’s conclusion
B.
Expose the main idea of the paper
C.
Emphasize on the future trend
【单选题】In the abstract of a review article, there are usually five moves, after the move of indicating the reviewed focus, what might follow closely is the move that describes:
D.
the significance of the review
【多选题】what are the following tense may be used when we write about the research objectives in the abstract of a research paper
【简答题】球重 P ,置于光滑的圆柱面上,图(a)和(b)为所画受力图, 请您:(1)指出所有力的大小关系;(2)各力的施力物是谁?(3)哪一对力是平衡的二力?(4)哪一对力是作用力和反作用力?
【简答题】大革命的历史意义和失败的原因及教训分别有哪些?