题目内容
（请给出正确答案）
What did scientists think was true？
A．Each person has a fixed weight range.
B．Each person has a weight range of 9 kg.
C．Each person wants to control his weight.
D．Each person wants to eat to his heart's content.
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“What did scientists think was true？A．Each person has a fixed weight range.B．Each person ha”相关的问题
What did the scientists in California prove
What did P and S waves help scientists discover about the layers of the earth？
A．How deep they are.
B．Where earthquakes form.
C．How hot they are.
D．What purpose they serve.
What did scientists think was true？
A．Each person has a fixed weight range
B．Each person has a weight range of 9kg.
C．Each person wants to control his or her weight.
D．Each person wants to eat to his or her heart's content.
What did scientists learn about earthquakes at the Rocky Mountain Arsenal？
A) They occur at about 4,000 metres below ground level.
B) The injection of water into earthquake faults prevents earthquakes from occurring.
C) They are usually caused by the oil in the faults.
D) Harmful earthquakes earl be possibly prevented by causing small, harmless earthquakes.
In what respect was Kohoutek a disappointment？
A．It could be seen only through special equipment.
B．It did not approach the Earth.
C．It did not provide valuable scientific information.
D．It was moving too rapidly for scientists to photograph.
A．The fact that the scientists managed to measure the average hourly increase of NNK.
B．The fact that the scientists succeeded in making more people realize the harm of smoking.
C．The fact that the scientists did a lot of experiments on smokers in public areas.
D．The fact that the scientists discovered NNK, a carcinogen in cigarette smoke.
What did researchers discover in the study of honeybees discussed in paragraph 2？
A．Bees are able to travel at greater speeds than scientists thought.
B．The bees could travel 25% farther than scientists expected.
C．The bees were able to determine in advance where scientists would place their food.
D．Changing the location of food caused bees to decrease their dance activity.
What did some scientists try to explain by suggesting that stars repel each other？
A．Why stars move so quickly.
B．Why few stars have planets.
C．Why stars aren't moving toward one another.
D．Why stars haven't moved farther apart.
What did the scientists find increases life span？
A．Eating less fatty foods.
B．Lowering the body temperature.
C．Living at higher altitudes with cleaner air.
D．Exercising for 30 minutes every day.
警告：系统检测到您的账号存在安全风险
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
