What is the most important factor in dealing with a life-threatening situation？
A. Power.
B. Skills.
C. Patience.
D. Weapons.
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The trick of sale e-mail takes advantage of peoples psychology that______.
A. if I buy the goods, I will save more money
B. if I don"t buy the goods, there will be no such goods
C. if I buy the goods, I will get a free gift
D. if I don"t buy the goods, they will raise the price
What is the outcome of the oil pipeline explosion？
Attackers have been arrested by the police.
B. The fire has been extinguished by workers.
C. Only six oil workers survived in the explosion.
D. Ecopetrol will decrease its daily production.
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