有大毒的动物类药材是
A.地龙
B.僵蚕
C.乌梢蛇
D.斑蝥
E.蛤蚧
参考答案:D
解析:斑蝥的化学成分含斑蝥素,毒性大,是28种毒性药材之一。故答案选D。
2011年我国第一产业增加值为47712亿元,第二产业增加值为220592亿元,第三产业增加值为203260亿元。请计算回答下列问题:
2011年国内生产总值中第二产业的构成是()。
A.10.12%
B.43.10%
C.46.78%
D.47.59%
Which is the most appropriate title for the passage a. A Comparative Study of the Telecom Industry in China and India b. Differences on Use of Mobile Phones in China and India c. Geographical and Cultural Differences between China and India d. Different Regulations on Mobile Phones in China and India