The human body feels comfortable when the humidity is about
40%-60%
举一反三
- 中国大学MOOC: The human body is incredibly __________. When you donate a pint of blood, you lose about 3.5 trillion red blood cells, but your body quickly replaces them.
- What does Lucy do when she feels nervous about speaking?
- The human brain makes up about ____ percent of a human’s body weight.( ) A: 3% B: 4% C: 1% D: 2%
- According to the passage, monkeys, like human beings are worried about the change of clocks that triggered the body nerve.
- Americans usually feel comfortable when speaking with someone if the distance between them is about () inches to arm's length.
内容
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the human body is incredibly
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The () temperature of a human body, no matter in what part of the world he lives, is about 26.8℃. A: common B: average C: regular D: normal
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When a psychologist does a general experiment about the human mind, he selects people _____and ask them questions.
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July 4 is one of the times when July 4 is one of the times when<br/>the American in me feels a ______ of unease about the<br/>great lacunae in our children’s understanding.
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X-rays are harmless to the human body