The industry has pumped______amounts of money into political campaigns, making it less and
A. potential
B. substantial
C. massive
D. traditional
According to the passage, the Earth's magnetic field has______.
A. misguided many a man and animals
B. begun to change to its opposite direction
C. caused the changes of the polarities
D. been weakening its strength for a long time
听力原文：M: The show starts at eight.
W: Good. We have fifty minutes to get there.
Q: What time is it now？
(4)
A. 8:50.
B. 7:40
C. 7:20
D. 7:10
【C12】
A. weary
B. obtain
C. wink
D. retard
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