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【单选题】
若运输问题已求得最优解,此时所求出的检验数一定( )A.
大于零
B.
小于或等于零
C.
大于等于零
D.
小于零
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下公式中，属于居民企业企业所得税应纳税额计算公式的是（ ）。
A.
本年度实际应纳税额=应纳税所得额×税率-减免所得税额-抵免所得税额+境外所得应纳税额-境外所得抵免税额
B.
本年度实际应纳税额=应纳税所得额×税率+减免所得税额-抵免所得税额-境外所得应纳税额+境外所得抵免税额
C.
本年度实际应纳税额=应纳税所得额×税率-减免所得税额+境外所得应纳税额-境外所得抵免税额
D.
本年度实际应纳税额=（境内所得应纳税所得额+境外所得应纳税所得额）×税率
【单选题】What did Henning study in his experiment?
A.
How students remember English vocabulary by short-term memory.
B.
How students learn second language by short-term memory.
C.
How to develop student’s ability in English.
D.
How long-term memory keeps information.
【单选题】What did Bowman's experiment reveal about attractiveness in politics?
A.
It affects men and women alike.
B.
It is more of an obstacle to women.
C.
It turns out to be an obstacle to men.
D.
It has as little effect on men as on women.
【单选题】What did Bowman's experiment reveal about attractiveness in politics?
A.
It affects men and women alike.
B.
It is more of an obstacle to women.
C.
It turns out os to be an obstacle to men.
D.
It has as little effect on men as on women.
【判断题】A lab report explains what you did in an experiment, what you learned and what the results meant.
A.
正确
B.
错误
【简答题】What experiment did the Toronto Globe and Mail carry out in the late 1970s? Why did the effort fail?
【单选题】What did the author do with his experiment?
A.
He got the information illegally.
B.
He went to the customers’ houses to sell the newspapers.
C.
He deleted the information of those who moved or got married.
D.
He found out the information of the customers and mailed them.
【单选题】不是约束法目的的一项是
A.
保证患儿接受治疗
B.
保证患儿身体安全
C.
为诊断疾病提供依据
D.
对躁动谵妄患儿采取的保护性措施
E.
对不合作患儿采取的保护性措施
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