汽、柴油密度按0.75和0.85计算,销售时,一升每降二分钱,则每吨毛利()。密度单

题型:单项选择题

问题:

汽、柴油密度按0.75和0.85计算,销售时,一升每降二分钱,则每吨毛利()。密度单位:克/立方厘米。

A.汽、柴油分别增加13.33元.11.76元

B.汽、柴油分别减少13.33元.11.76元

C.没有影响

D.汽、柴油分别减少7.5元、8.5元

考点:加油站操作员考试加油站操作员综合练习加油站操作员综合练习题库
题型:单项选择题

阅读短文,根据首字母提示,完成单词。

    English is difficult to learn because it is so different from our mother tongue (母语). Also, we don't have

much chance to speak English with foreigners or hear English (1)s_______.

    So the first important thing for us to do, I think, is to (2)p_______ speaking English more both in and

out of class. In class I listen to the teacher carefully and (3)t_______ my best to answer the teacher's questions

in English. After class, I listen to the tapes and wonderful English songs. I often retell the texts in my own

words. I always work hard at English and (4)n_______ give up.

    Of course this is not enough. When I find something interesting, I wrote it down in English. At first, I

couldn't write well, but with the help of my teacher, I have made great (5)p_______.

题型:单项选择题

某城市去年年底人口总数为10万,今年出生的婴儿为15000,因各种原因死亡11000.则该城市的人口自然增长率为(  )

A.4%

B.11%

C.1.1%

D.2%

题型:单项选择题

下列哪种情况可使心输出量增加?()

A.刺激迷走神经传出纤维

B.由平卧转为站位

C.心率加快,超过180次/分

D.颈动脉窦内压降低

题型:单项选择题

战略对策是指实现企业战略目标所应采取的主要措施与手段。这些措施、手段的特点有()

A.针对性

B.灵活性

C.预见性

D.相对性

E.多重性

题型:单项选择题

夜间阵发性呼吸困难(心源性哮喘)

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