Muscle pain warns that______.
A. the body is becoming too hot
B. the body needs more water
C. the body needs more rest
D. the body can't work anymore
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"Biologist" means______.
A. an expert on animals
B. a person on plants
C. an expert on earth
D. an expert on health
Which of the following statements is true according to the passage？
A. The total heat of a hot day or several days can not affect health.
B. People can not do any things to protect themselves from the dangers of extreme heat.
C. The most common health problem caused by hot weather is heat stress.
D. Humidity is the amount of water in the room.
The writer assumed that the woman accepted the last offer mainly because the woman______.
A. thought that the last offer was reasonable
B. thought she could still make much money
C. was glad that the writer knew their way of bargaining
D. was tired of bargaining with the writer any more
What can't be inferred from the third paragraph？
A. Mongabay.com attracted small ads.
B. The popularity of Mongabay.com has improved.
C. WildMadagascar.org is about the island nation.
D. Rhett Butler's favorite is the Internet.
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