A．To demonstrate the importance of public health laws.B．To point out that without
A. To demonstrate the importance of public health laws.
B. To point out that without luck businesses will not succeed.
C. To explain how traveling led to new inventions.
D. To illustrate the importance of having the right product at the right time.
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A．To discover how long their ancestors lived.B．To analyze how their appearance ha
A. To discover how long their ancestors lived.
B. To analyze how their appearance has evolved.
C. To find out how a disease has spread
D. To determine how closely groups of turtles are related.
For some social animals like jackdaws, mobbing is important because______.
A. the young birds can learn about the enemy"s appearance
B. these kinds of birds are born to know their enemy
C. the young birds can escape to safe places by mobbing
D. the young birds can learn to fight with their enemy
A．Study a weather map.B．Visit a weather station.C．Listen to a weather re
A. Study a weather map.
B. Visit a weather station.
C. Listen to a weather report.
D. Go to a storm shelter.
A．The woman is a better mechanic than he isB．He can"t go for a ride with the woma
A. The woman is a better mechanic than he is
B. He can"t go for a ride with the woman
C. He doesn"t know a lot about newer cars
D. The woman shouldn"t buy a used car
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