单选题
英语六级
2017-05-11
A．To indicate that one shouldn't be too greedy when investing.
B．To indicate that one should have no expectation when investing.
C．To indicate that one shouldn't count on continuous annual returns.
D．To indicate that one should keep an eye on the stormy weather.
参考答案
A
答案解析
What's Prof. Robert's purpose of quoting Leonardo da Vinci?
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