A.人参皂苷Rc B.人参皂苷Re C.人参皂苷Ro D.人参皂苷Rd E.人参皂苷Rf
查看答案
有价证券本身无价值,但由于它代表着一定量的财产权利,可以在证券市场上买卖和流通,客观上具有了交易价格。( )
A. 对
B. 错
“同一个世界,同一个梦想”是北京申奥口号。 ( )
A. 对
B. 错
发展潜力巨大的企业能提供高报酬率、低市场价格的证券,这些企业的筹资能力较强。( )
A. 对
B. 错
Questions 11 to 18 are based on the conversation you have just heard.
A. They’re extremely noisy.
B. They should have arrived by now.
C. They should be allowed to fly there.
D. They are not on a definite schedule.