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【单选题】
豌豆的果实和种子适于传播的结构特点是（ ）A.
果实表面有钩刺
B.
果实具有伞状的
C.
果皮向内蜷缩，将种子弹射出去
D.
果实大，颜色鲜艳
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【简答题】Firefox
【单选题】The ratio of the height of a vessel’s rudder to its width is referred to as the（）.
A.
aspect ratio
B.
constriction ratio
C.
rudder ratio
D.
steering ratio
【简答题】A．investors B．developers C．designers D．stakeholders
【单选题】Which statement about stakeholders is BEST?
A.
Stakeholders wield considerable power.
B.
Stakeholders can potentially impact project development.
C.
Stakeholders are external to a company.
D.
By definition, clients are not stakeholders, they are customers.
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