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【简答题】
Mind Those Manners on the Subway So, thereyou are, just sitting there in the subway car, enjoying that book you just bought. (1). Or, the person sitting next to you takes out a nail clipper ( 指甲刀 ) and begins cutting his or her nails. Annoying? Many of us have to spend some time every day on public transportation. (2). So, tomake the trip more pleasant, we suggest the following: Let passengers get off the bus or subway car before you can get on (3). Stand away from the doors when they are closing. Don't talk loudly on a bus or subway. Chatting loudly with your friends can be annoying toothers. (4). Don't think your bags and suitcases ( 手提箱 ) deserve a seat of their own. Use a tissue whenever you cough or sneeze ( 打喷嚏 ). An uncovered sneeze can spread germs ( 细菌 ), especially in crowded places. Don't cut your nails or pick your nose on public transportation. Don't read over other people's shoulder. (5). It can make people uncomfortable. They might think you're too stingy ( 小气的 ) even to buy a newspaper. Or they might think you're judging their behavior. A Don't eat food in your car. B Don't shout into your mobile phone on a bus or subway. C We all know that some behaviors are simply unacceptable. D Many people do this on subways, but it's really annoying. E Getting off and on in an orderly manner can save time for all. F Suddenly,you feel someone leaning over your shoulder reading along with you.
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【单选题】——是指一种具有多种用途的稀缺资源用于某一特定用途上时 , 所放弃的其他用途中的最佳用途的收益。
A.
沉没成本
B.
机会成本
C.
总成本费用
D.
单位变动成本
【单选题】把一种具有多种用途的稀缺资源用于某一特定用途上时,所放弃的其他用途中的最佳用途的收益,这种成本是指()
A.
经营成本
B.
机会成本
C.
沉没成本
D.
边际成本
【单选题】妊娠高血压综合征.用大剂量硫酸镁治疗.最早出现的中毒反应是下列何项( )
A.
呼吸加快.
B.
呼吸减慢
C.
心率加快
D.
心率减悒
E.
膝反射迟钝或消失
【单选题】下列结构中,不属于卵子结构的是: ( )
A.
放射冠
B.
透明带
C.
滋养层
D.
卵黄膜
【简答题】最基本的逻辑功能有逻辑( )、逻辑( )、逻辑非。
【判断题】沉没成本 是指一种具有多种用途的稀缺资源用于某一特定用途上时,所放弃的其他用途中的最佳用途的收益。 ( )
A.
正确
B.
错误
【单选题】企业对于已经发出但不符合收入确认条件的商品,其成本应贷记的科目是( )。
A.
在途物资
B.
发出商品
C.
库存商品
D.
主营业务成本
【判断题】滑坡在滑动破坏阶段的特征是:坡体后缘出现不连续拉张裂缝,前缘有臌胀变形,坡上房屋、道路、水库坝体等建筑物出现裂缝。
A.
正确
B.
错误
【单选题】妊娠高血压综合征,用大剂量硫酸镁治疗,最早出现的中毒反应是
A.
呼吸减慢
B.
尿量增多
C.
尿量减少
D.
膝腱反射亢进
E.
膝腱反射消失
【单选题】下列结构中,不属于苔类配子体世代(染色体为n)的是( )。
A.
叶状体
B.
孢子
C.
蒴苞
D.
受精卵
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