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sat考试题及答案

一、单项选择题，(总共10题，每题2分)。

1.Whichofthefollowingisaprimenumber?

A.14

B.21

C.29

D.33

答案：C

2.Theareaofarectangleis48squareinches.Ifthelengthis8inches,whatisthewidth?

A.6inches

B.7inches

C.10inches

D.12inches

答案：C

3.Whatisthevalueoftheexpression3^2