Why isnt it important what McKay sees in the machine？
A. He doesn"t like the machine.
B. An eye chart is better.
C. It"s what the machine sees in him that is important.
D. The prototype doesn"t work very well.
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What do the thousands of light beams measure？
A. The focusing accuracy of the lens of the eye.
B. Eye color and vision.
C. Where the beams travel.
D. The reflection of the retina.
Which of the following is the authors viewpoint towards homeschooling？
A. Homeschooling is a form. of freedom that needs no regulations.
B. Homeschooling is a better way to educate a child.
C. Homeschoolers need a more flexible form. of education.
D. While he doesn"t agree with homeschooling, he supports their right to it.
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