单项选择题

A. Pain-relievers do no harm to our body.
B. Pain-relievers can be addictive.
C. Heroin and morphine are addictive.
D. Pain-relievers can cure all diseases.
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单项选择题
A. They could find more wild animals then.B. The grass becomes yellow which is more beautiful.C. There would be no mosquitoes stinging them.D. There would be fewer insects.
A. They could find more wild animals then.
B. The grass becomes yellow which is more beautiful.
C. There would be no mosquitoes stinging them.
D. There would be fewer insects.
单项选择题
A. Riders rinsing with carbohydrate liquids made less effort than those rinsing with water. B. The heart rates of riders rinsing with carbohydrate liquids are lower than those rinsing with water. C. Swallowing carbohydrate liquids makes sports players less tired. D. Rinsing with carbohydrate liquids helps sport players fight fatigue.
A. Riders rinsing with carbohydrate liquids made less effort than those rinsing with water.
B. The heart rates of riders rinsing with carbohydrate liquids are lower than those rinsing with water.
C. Swallowing carbohydrate liquids makes sports players less tired.
D. Rinsing with carbohydrate liquids helps sport players fight fatigue.
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