What is the purpose of launching the AIM spacecraft？
A. To study the climate changes above Earth"s polar region.
B. To analyze the ice clouds within Earth"s polar region.
C. To analyze the climate changes within Earth"s polar region.
D. To study the ice clouds above Earth"s polar region.
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Pakistani authorities closes the NATO supply lines because______.
A. 24 Pakistani soldiers were killed by the Taliban
B. 24 Pakistani soldiers were killed in an airstrike
C. 24 American soldiers killed Pakistani soldiers
D. 24 American soldiers were killed in an airstrike
According to the U. N. Environment Program, good management of chemicals could protect______.
A. endangered species
B. human beings" lives
C. our environment
D. international relationships
Compared with public television, commercial television______.
A. broadcast programs which don"t advertise products
B. have the right to choose programs for their audience
C. have to broadcast programs that cater to preferences of their audience
D. compete fiercely with other broadcasting stations
What does the woman give the man at last？
A. The man"s credit card.
B. The man"s signature.
C. The bill for the room.
D. The room key.
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