Explain these CR terms please!

Test Preparation SAT Preparation
4

<p>This link offers some nice brief descriptions.
<a href=“http://courses.nus.edu.sg/COURSE/ELLIBST/lsl01-tm.html[/url]”>http://courses.nus.edu.sg/COURSE/ELLIBST/lsl01-tm.html&lt;/a&gt;&lt;/p&gt;