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【单选题】
This news report mainly talks about ______.A.
how Beijing is becoming a 21st century city
B.
how many projects are being dealt with to improve Beijing's traffic
C.
how Beijing is being built into the first class Olympic host city
D.
the use of the 20 billion US dollars
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举一反三
【单选题】Rancher Tom can raise 1 5 goats and 30 pigs in a year. Rancher Joe can raise 30 goats and 1 5 0 pigs in a year. Who has the comparative advantage for raising pigs?
A.
Need more information
B.
Both ranchers
C.
Rancher Tom
D.
Rancher Joe
【简答题】消费者为生活消费需要购买、使用商品或者接受服务，其权益受《消费者权益保护法》保护。所以，农民购买、使用直接用于农业生产的生产资料不属消费者权襦保护法的客体范围。( )
【单选题】关于皮肤肿瘤，以下哪项是不正确的（）
A.
基底细胞瘤常发生于头面部
B.
砷角化病可发展成鳞状细胞癌
C.
日光性角化病是一种癌前期病变
D.
Bowen病是皮肤原位癌
E.
脂溢性角化病易发生癌变
【单选题】Rancher Tom can raise 10 goats and 20 pigs in a year. Rancher Joe can raise 20 goats and 100 pigs in a year. Who has the comparative advantage for raising pigs?
A.
Need more information
B.
Both ranchers
C.
Rancher Tom
D.
Rancher Joe
【简答题】消费者为生活需要()、()或者()时，其合法权益受消费者权益保护法保护。本法未作规定的受其他有关法律、法规保护。
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