2.point to 与 point at 怎么区别point to =na.1. 指出，说明；引出；提一句 They pointed out that previous estimates of the urban factor on health were attributed entirely to air pollution. 他们指出以前的城市因素对健康影响的估计完全归因于空气污染 。
2. 指出，表明，证明，针对…而言 Optimists, to be sure, could point to a few signs of progress since 1865. 诚然，乐观主义者能够指出1865年以来少数进步的迹象 。3. 指向；显示 。
之位置或方向；表明；表示： The needle of a compass points to the north. 罗盘针指向北方 。v.1. 指向；针对 point at =na.1. 正要，正想，刚要，正预备 I was on the point of communicating with him by paper. 我正要写信跟他联系 。
2. 指着，对准，瞄准 "I'm a good man," he pointed at himself. “我是好人，”他指着自己 。v.1. 指向 有用请采纳 。
3.outline怎样写第一个选择：An outline breaks down the parts of your thesis in a clear, hierarchical manner. Most students find that writing an outline before beginning the paper is most helpful in organizing one's thoughts. If your outline is good, your paper should be easy to write.The basic format for an outline uses an alternating series of numbers and letters, indented accordingly, to indicate levels of importance. Here is an example of an outline on a paper about the development of Japanese theater:OUTLINE NOTES I. Thesis: Japanese theater rose from a popular to elite and then returned to a popular art form.II. Early theatrical forms A. Bugaku B. Sarugaku C. Primitive Noh D. Authors and Audience III. Noh theater A. Authors B. Props1. Masks a. women b. demons c. old men2. Structure of Stage C. Themes1. Buddhist influence2. The supernatural D. Kyogen interludes E. Audience IV. Kabuki A. Authors B. Props1. make-up2. special effects C. Themes1. Love stories2. Revenge D. Audience V. Bunraku (puppet) theater A. Authors B. Props C. Themes1. Love stories2. Historical romances D. Audience VI. Conclusion The thesis is stated in the first section, which is the introduction. The body follows the introduction, and breaks down the points the author wishes to make. Note that some section have subdivisions, others do not, depending on the demands of the paper. In this outline, II, III, & IV all have similar structure, but this will not necessarily be true for all papers. Some may only have three major sections, others more than the five given here. Your conclusion should restate your thesis, and never introduce new material. 第二个选择：How to Write an Outline What is it?An outline is a general plan of the material that is to be presented in a speech or a paper. The outline shows the order of the various topics, the relative importance of each, and the relationship between the various parts.Order in an Outline There are many ways to arrange the different parts of a subject. Sometimes, a chronological arrangement works well. At other times, a spatial arrangement is best suited to the material. The most common order in outlines is to go from the general to the specific. This means you begin with a general idea and then support it with specific examples.Thesis Statement of Summarizing Sentence All outlines should begin with a thesis statement of summarizing sentence. This thesis sentence presents the central idea of the paper. It must always be a complete, grammatical sentence, specific and brief, which expresses the point of view you are taking towards the subject.Types of Outlines The two main types of outlines are the topic outline and the sentence outline. In the topic outline, the headings are given in single words or brief phrases. In the sentence outline, all the headings are expressed in complete sentences.Rules for Outlining1. Subdivide topics by a system of numbers and letters, followed by a period.Example:I. A. B. 1. 2. a. b.II. A. B.2. Each heading and subheading must have at least two parts.3. Headings for parts of the paper of speech such as, Introduction and Conclusion, should not be used.4. Be consistent. Do not mix up the two types of outlines. Use either whole sentences of brief phrases, but not both.Examples Topic Outline Choices in College and After Thesis: The decisions I have to make in choosing college courses, depend on larger questions I am beginning to ask myself about my life's work. I. Two decisions described A. Art history or chemistry1. Professional considerations 2. Personal considerations B. A third year of French?1. Practical advantages of knowing a foreign language2. Intellectual advantages3. The issue of necessity II. Definition of the problem A. Decisions about occupation B. Decisions about a kind of life to lead III. Temporary resolution of the problem A. To hold open a professional possibility: chemistry B. To take advantage of cultural gains already made: French Sentence Outline Choices in College and After Thesis: The decisions I have to make in choosing college courses, depend on larger questions I am beginning to ask myself about my life's work.I. I have two decisions to make with respect to choosing college courses in the immediate future.A. One is whether to elect a course in art history or in chemistry.1. One time in my life, I planned to be a chemical engineer professionally.2. On the other hand, I enjoy art and plan to travel and see more of it.B. The second decision is whether to continue a third year of French beyond the basic college requirement.1. French might be useful both in engineering and travel.2. Furthermore, I am eager to read good。