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【多选题】
推导轴向拉压变形公式用到的公式有( )A.
轴向应变公式
B.
正应力公式
C.
拉压胡克定律
D.
横向应变公式
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举一反三
【简答题】make a presentation on coronavirus disease
【多选题】在水面上的水上飞机通常应宽裕地让清所有船舶并避免妨碍其航行，然而在有碰撞危险的情况下，仍应遵守本章各条的规定. ” 意味着，在有碰撞危险的情况下：
A.
即使在构成碰撞危险后，水上飞机不应妨碍的义务仍未解除
B.
应按规则第 2 章的规定确定让路船
C.
如果构成碰撞危险，水上飞机不应妨碍的义务则被解除
D.
构成碰撞危险后，根据他船的船舶种类决定水上飞机不应妨碍的义务是否解除
【单选题】Consider a small economy in which consumers buy only two goods: apples and pears. In order to compute the consumer price index for this economy for two or more consecutive years, we assume that
A.
the number of apples bought by the typical consumer is equal to the number of pears bought by the typical consumer in each year
B.
neither the number of apples nor the number of pears bought by the typical consumer changes from year to year
C.
the percentage change in the price of apples is equal to the percentage change in the price of pears from year to year
D.
neither the price of apples nor the price of pears changes from year to year.
【简答题】With
the Property Animation system, if you need to animate your own custom classes,
which one of the following classes would implement in order to compute the
specific property values being animated?A...
【判断题】In order to compute gross profit margin, the income statement must be in single-step format.
A.
正确
B.
错误
【单选题】某饭店服务员在客人用餐完毕后,热情地递上一只方便袋,建议客人将剩余的菜肴带走。这种做法体现的营销观念属于( )。
A.
生产观念
B.
推销观念
C.
市场营销观念
D.
社会营销观念
【判断题】In order to compute gross profit margin, the income statement must be in single-step format.
A.
正确
B.
错误
【单选题】题干: 在水面上的水上飞机通常应宽裕地让清所有船,并避免妨碍其航行,然而在有碰撞危险的情况下,则:
A.
按照责任条款确定让路船
B.
按《国际海上避碰规则》第二章各条规定采取行动
C.
等待他船让路
D.
按照让路船条款采取行动
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