Structured abstract is better than informative abstract. A: 正确 B: 错误

​When you write an abstract, what points should you keep in mind?‌ A: Active voice cannot be used in an abstract. B: Main findings should not be included in an abstract. C: Make your abstract concise enough to stand on its own. D: Acronyms, abbreviations or symbols must be used in an abstract.

An abstract should reflect correctly the objectives and contents of the article. Do not include information that does not appear in the body of the article in the abstract.

Which of the following statements about the abstract of a paper is right? ( ) A: In order to summarize the content of the paper in detail, the abstract can be written as long as possible. B: The abstract of a scientific work and the abstract of a humanities paper have the same components. C: An abstract is a summary of the major ideas contained in the research paper. D: Charts, formulas, chemical structural formulas can be used in the abstract.

Read the article below, which does not have an abstract. Use the methods you've learned in this unit so far, and read carefully. When you're done, write an abstract for the article. Post your abstract and read three other abstracts and comment on them. Your abstract should be no longer than 200 words.

Being _______and_______ is the basic requirement of an abstract.

It is difficult for foreigners to understand ancient Chinese characters because they are so abstract.

下列抽象类的定义合法的是（ ）。 A: abstract Animal {abstract void growl();} B: abstract class Animal {abstract void growl();} C: class abstract Animal {abstract void growl();} D: abstract class Animal {abstract void growl() {System.out.println(“growl”);}}

下列关于抽象类定义，正确的是( ) 。 A: abstract AbstractClass{ abstract void method();} B: class abstract AbstractClass{ abstract void method();} C: abstract class AbstractClass{ abstract void method();} D: abstract class AbstractClass{ abstract void method(){ System.out.println(“method”); }}

It's better to write a title after you've written your paper and abstract.