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【单选题】
某公司与法国客户签订合同出口一批货物，在广州口岸报关，经深圳口岸出境，合同指定运往香港。《出境货物报检单》的“启运地”和“输往国家（地区）”应分别填写（）。A.
深圳；法国
B.
广州；法国
C.
深圳；香港
D.
广州；香港
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反馈参考答案：
举一反三
【单选题】对急诊病人的处理中错误的是
A.
应迅速抢救然后办理就诊手续
B.
病情危重者可暂不填写抢救记录
C.
经抢救病情平稳后方可转入病房
D.
转送危重病人时应有护士陪送
E.
对病情复杂者，要注意首诊负责制
【单选题】The opportunity cost of a one-unit increase in an activity
A.
is greater than the marginal benefit.
B.
is called rational cost.
C.
decreases as you do more of it.
D.
is called marginal cost.
E.
is measured by what the person is willing to give up to get one more unit of the activity.
【单选题】The marginal social cost of a unit of pollution:
A.
is the additional cost imposed on society by that unit.
B.
is easy to calculate, since pollution produces costs.
C.
is often overestimated.
D.
remains constant as more of a good is produced.
【单选题】If the total cost of producing 10 units equals $90, and the average total cost of producing 11 units equals $8.75, then the marginal cost of the elh unit produced:
A.
is definitely greater than the marginal cost of producing the tenth unit.
B.
is definitely less than the marginal cost of producing the tenth unit.
C.
is less than the average total cost of producing ten units.
D.
is greater than the average total cost of producing ten units.
【多选题】下列关于睾丸间质细胞的描述,正确的是
A.
合成和分泌雄激素
B.
细胞体积大，常成群分布在生精小管之间的睾丸间质中
C.
细胞质嗜酸性，有分泌类固醇激素细胞的特点
D.
支持、保护和营养各级生精细胞
E.
参与构成血—睾屏障
【单选题】男性,15岁。双侧阴囊内空虚。B超检查:双侧睾丸下降不全,睾丸位于腹腔内。睾丸的内分泌功能是由睾丸间质细胞和支持细胞完成的,支持细胞的功能不包括
A.
支持生精作用
B.
营养生精作用
C.
分泌抑制素
D.
产生精子
E.
构成血睾屏障
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