出口货物以海关审定的成交价格为基础的售予境外的离岸价格作为关税的完税价格。（ ）
下列哪一项是iptables中mangle表的功能()。
A. 用来修改数据包包头中的某些值
B. 用于网络地址转换
C. 用于数据包的状态检查
D. 用于包过滤
Kale has more nutritional value than spinach. But since collard greens have more nutritional value than lettuce, it follows that kale has more nutritional value than lettuce. Any of the following, if introduced into the argument as an additional premise, makes the argument above logically correct EXCEPT:
A. Collard greens have more nutritional value than kale.
B. Spinach has more nutritional value than lettuce.
C. Spinach has more nutritional value than collard greens.
D. Spinach and collard greens have the same nutritional value.
E. Kale and collard greens have the same nutritional value.
The human craving for sweets was once beneficial: it attracted people to foods that were healthful(ripe fruit, for example)in preference to foods that were not healthful(unripe fruit, for example). However, now that sugar has been refined, it follows that a craving for sweets is no longer beneficial, because refined sugar is not healthful. Which of the following, if true, would most strengthen the argument above？
A. Some foods can be healthful when cooked even if they are not healthful when eaten raw.
B. Some people who crave sweets are more likely to eat a piece of ripened fruit than they are to eat a piece of candy.
C. People who crave sweets are more likely to eat a food that contains refined sugar than a naturally sweet food like ripe fruit.
D. Prehistoric humans probably were not able to distinguish between healthful foods and unhealthful foods without relying on their sense of taste.
E. Some unrefined foodstuffs are no more nutritious than their refined counterparts.
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