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【单选题】
无菌操作是（ ）A.
杀灭病原微生物的方法
B.
杀灭物体所有微生物的方法
C.
杀灭活的微生物的方法
D.
防止微生物进入机体或物体的方法
E.
防止或抑制微生物生长繁殖的方法
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举一反三
【单选题】A digital device, such as a computer, is called a(n)( )when it requests data from a server.
A.
client
B.
server
C.
device
D.
Internet
【单选题】根据“禁止商业贿赂行为的暂行规定”，下列说法中，正确的是（ ）。
A.
经营者的职工为经营者购销商品的贿赂行为，认定为职工个人行为
B.
在账外暗中给予对方单位或者个人回扣的，以行贿论处
C.
经营者销售商品，可以以明示方式给予对方折扣，无需入账
D.
经营者给中间人佣金必须如实入账，中间人接受佣金则无需入账
【简答题】It is abstraction that allows us to ignore the internal details of a complex device such as a computer, automobile, or microwave oven and use it as a single, comprehensible unit.
【简答题】The accountant asked, "Was the invoice mailed yesterday?"
【简答题】评析《反不正当竞争法》第8条规定：“经营者不得采用财物或者其他手段进行贿赂以销售或者购买商品。在账外暗中给予对方单位或者个人回扣的。以行贿论处；对方单位或者个人在账外暗中收受回扣的。以受贿论处。经营者销售或者购买商品，可以以明示方式给对方折扣。可以给中间人佣金。经营者给对方折扣、给中间人佣金的，必须如实入账。接受折扣、佣金的经营者必须如实入账。”
【简答题】An electric circuit often consists of four parts: a source such as a _______(电池) , the conductors , the control device such as a _______ (开关) , and a _______ (负载) .
【多选题】金属钠保存在煤油中,反映了金属钠的哪些性质?
A.
金属钠的密度比煤油小
B.
金属钠的密度比煤油大
C.
金属钠的性质比较活泼，需要隔绝空气保存
D.
金属钠不与煤油发生反应
E.
金属钠不溶于煤油中
【单选题】Walter used to work as a high school teacherfor $40,000 per year but quit in order to start his own painting business. Toinvest in his painting business, he withdrew $20,000 from his savings, whichpai...
A.
Tyler says his costs are $25,900, and Greg says his costs are $66,500.
B.
Tyler says his costs are $25,000, and Greg says his costs are $65,000.
C.
Tyler says his costs are $66,500, and Greg says his costs are $66,500.
D.
Tyler says his costs are $75,000, and Greg says his costs are $41,500.
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