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【简答题】
中国南海海底探明有大量的“可燃冰”，同等条件下，“可燃冰”完全燃烧放出的热量达到煤气的数十倍，说明“可燃冰”的 很大； 以10倍的关系粗略计算，1kg“可燃冰”完全燃烧放出的热量可以使 kg的20℃加热至60℃．[q 煤气 =4.2×10 7 J/kg，水的比热容c=4.2×10 3 J/（ kg?℃）]．
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【单选题】Why many some areas become too dry for farming?
A.
Because there is too much over-planting.
B.
Because the growing season would be too short.
C.
Because heat would dry out the farmland.
D.
Because water is polluted
【单选题】In some areas of China, why will people eat lobster and chicken at wedding?
A.
they mean abundance.
B.
they mean bearing many children.
C.
they represent auspicious male-female pairing.
D.
they represent a long life.
【单选题】Section B Dialogue Comprehension Directions: In this section, you will read 5 short conversations between a man and a woman. At the end of each conversation there is a question followed by four choice...
A.
The man was confused about the date of the appointment.
B.
The man wants to change the date of the appointment.
C.
The man is glad he's got in touch with the. doctor.
D.
The man can't come for the appointment at 4:15.
【单选题】I can _____________ and I am _____________ now. [ ]
A.
sing, sing
B.
singing, sing
C.
sing, singing
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