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- A.they are very dangerous
- B.they are respected by Indians
- C.they may spread disease
- D.they help kill rats
- A.introducing the eating habit of Indian tribal people
- B.distinguishing different types of taste．
- C.accounting for people’s different choices of taste
- D.explaining the relationship between taste and tribes
- A.donkeys
- B.tigers
- C.female deer
- D.house rats
- A.the author is against eating frogs
- B.taste is illogical and inarguable
- C.some types of frogs are poisonous
- D.taste is influenced by many factors
- A.Tidal waves are caused by underwater earthquake，but tides are not．
- B.Tidal waves have regular rise and fall，but tides have not．
- C.Tidal waves can be prevented，but tides can not．
- D.Tidal waves can hit the land，but tides can not．
- A.tidal waves used to kill more people in the past
- B.tidal waves used to be more powerful than storms before
- C.neither tides nor tidal waves can be predicted
- D.tidal Waves are hotter than tides
- A.It is a scientific term for seaquakes．
- B.It iS a Japanese name for true tides．
- C.It is an African word for hurricanes．
- D.It is a name of an unknown American scientist．
- A.Scientists can predict when seaquake will hit land．
- B.Seismograph is used to predict when a tidal wave will hit land．
- C.Holding back a tidal wave is out of the question．
- D.True tides rise and fall regularly．
