从卖鲜花的商店门口走过，可以闻到阵阵的花香，这是___________

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问题填空题

从卖鲜花的商店门口走过，可以闻到阵阵的花香，这是___________现象．这类现象在生活中比比皆是．请你另举一例：_________________.

答案

扩散；厨房中飘出饭菜的香味

单项选择题

All of the following are drawbacks to using price-to-book value (P/BV) as a valuation technique EXCEPT:（）

A. P/BV valuation may give a misleading comparison of different types of business models.

B. P/BV is an unstable measure of valuation.

C. P/BV valuation does not adequately account for the positive impact of R&D expenditures.

单项选择题

麻疹早期诊断最有意义的症状、体征为：()

A．接触麻疹患者10～14天后，体温上升

B．耳后及枕部淋巴结肿大

C．Koplik斑

D．耳后、发际出现红色斑丘疹

E．发热、流涕、结膜充血、畏光