Question

In order to speed and focus your search for information on-line, you should
A. use search engine
B. broaden your topic
C. exhaust a library's resources at first
D. only use sites ending in .gov

Answer 1

A) use a search engine

Answer 2

The answer is:

A. use search engine

There are certain tools in a search engine that you can use, for example search only for .edu or academic papers, or search only certain words you can even block -com-org- or other domains that aren´t strictly educative or academic.