73. In this passage the writer mainly tells us that .

A. every person needs food to grow well

B. right kind of food with exercise will keep you healthy

C. taking exercise can keep your body strong

D. enough energy helps people think more quickly

74. The underlined word "dairy" in the second passage means .

A. a place where milk products are made

B. the shop that sells milk and butter

C. a farm where cows are kept

D. the food made out of cows such as milk and butter

75. The best title for this passage is .

A. The Key to Your Health B. A Healthy Diet

C. Your Body and Food D. The Four Food Groups

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