I do not think this is a reasonable way to meaure people. I think a transcript of the classes taken and how well a student has done should be sufficient to judge a student. Along with Essays, EC's and Recommendations, that should be enough to judge a student.
A or b
Not every student taking the SAT needs to register for one or more SAT subject tests.
No, there are no Universities in Egypt that will accept a student without an SAT score.
There is only one noun in the sentence: student
Microscope
Nothing is guaranteed. However, perfect SAT scores will open doors for a student, especially if the student has strong high school grades.
Th SAT measures how prepared you are for college.
The student sat in his desk for the whole class.
Ruler
The student sat uncomprehendingly.
No
http://www.collegeboard.com/student/testing/sat/scores/sending/old.html