The last sentence of this passage implies that____.
A. if the experiments' results can be applied to the practice, the customers will be very likely to buy things according to the ads
B. if the Harvard group can succeed in finishing the research, they will use it in attracting more and more consumers into the market
C. the financial supporting corporations such as Coca Cola, General Motors can employ the experiments in their own marketing
D. the consumers may discover that those ads will always annoy them by jingling out of their heads and cause them headaches
According to the passage, which of the following is NOT true ？
A. Women enjoy using umbrellas with varied kinds of colors nowadays.
B. The inventor of the umbrella is unknown.
C. Once ordinary people had no right to use umbrellas.
D. Umbrellas were popular and cheap in ancient times.
在预期收益率相同的情况下，标准差越大，项目的风险就越次。()
A. 正确
B. 错误
取得长期股权投资时发生的交易费用，应当通过“投资收益”科目计入当期损益。
A. 正确
B. 错误
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