In Britain, a session of parliament lasts for______unless the Prime Minister dissolves parliament.
A. 3 years
B. 4 years
C. 5 years
D. 6 years
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In North America,______is considered as the largest fresh water lake in the world.
A. Lake Michigan
B. Lake Superior
C. Lake Huron
D. Lake Ontario
在注射剂处方中加入苯甲醇起()的作用
A. 抗氧剂
B. 止痛剂
C. 稳定剂
D. 抑菌剂
E. 螯合剂
Which animal is called "the nation treasure" of Australia？
A. Kangaroo.
B. Koala.
C. Emu.
D. Lyrebird.
"There is no easy solution." in the last paragraph probably means that
A. the government doesn"t support Howard Davies"s decision.
B. it"s a tough decision facing both financial and environmental costs.
C. the public hold different opinions on where to build the airport.
Davies can"t identify the economic benefits brought by a new airport.
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