The new research project was led by the______engineer.
[A] main
[B] major
[C] chief
[D] primary
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What is the advice given in the text?
[A] Never drive faster than 30 mph.
[B] Try your best to save yourself in a car accident.
[C] Never forget to wear the safety belt while driving.
[D] Drive slowly while you're not wearing a safety belt.
According to the text, to be "thrown clear" of a serious accident is very dangerous be- cause you______.
[A] may be knocked down by other cars
[B] may get seriously hurt being thrown out of the car
[C] may find it impossible to get away from the seat
[D] may get caught in the car door
[A] realize
[B] realized
[C] realizing
[D] to realize
One of the fight ways for us to avoid bird flu is______.
[A] to kill all the poultry
[B] to eat no more chickens
[C] to form. a healthy habit
[D] to keep separated from others