145、《哎,大森林》是( )对文革期间的英勇牺牲的烈士张志新的纪念以及对民族命运的反思。

38、( ) are used to separate parts of a sentence from one another, and to mark a pause in reading.

37、We can use ( ) to replace the word “percent”.

36、( ) are used to create compounds.

35、( ) should be capitalized.

34、A ( ) is generally understood as a basic unit of a paper.

33、We should employ ( ) language in research papers.

32、The expression ( ) indicates logical relationship.

31、We can use ( ) to summarize or conclude.

30、Which expression is different from the other three?

29、Which expression is not a transitional one showing addition?