1. A mature tulip bulb contains the embryo of a plant.1) flower bud
2) waste product
3) complete undeveloped form
4) color-producing pigment
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2. Even the best-built machine will not run forever without proper maintenance.1) eternally
2) smoothly
3) dependably
4) accurately
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3. Clarence Birdseye perfected a method of freezing foods, which spurred farming of produce previously too perishable to be of commercial value.1) officially
2) practically
3) formerly
4) allegedly
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4. If a foreign object becomes lodged in the eye, medical help is necessary.1) deposited in
2) invisible to
3) blurry to
4) isolated in
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5. One of the reasons many people exercise is for enjoyment.1) physical fitness
2) emotional release
3) social contact
4) pleasure
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ต้องการเฉลยข้อสอบ โปรดเข้าระบบสมาชิก
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