室外铜管必须靠墙固定,需每隔()m固定一次。A、0.5 B、1.0 C、1.5 D、2.0

题型:单项选择题

问题:

室外铜管必须靠墙固定,需每隔()m固定一次。

A、0.5

B、1.0

C、1.5

D、2.0

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题型:单项选择题

由密度公式ρ=

m
V
可知,(  )

A.物质的密度与质量成正比

B.物质的密度与体积成反比

C.物质的密度与质量与体积无关,它是物质的一种特性

D.以上说法都正确

题型:单项选择题

语法填空

     Ma Wendi is used to curious glances   1  she walks six dogs at the same time. They are not all hers. 

  2   25-year-old veterinary graduate is a full-time dog walker.

     "I have to take care of twelve dogs at most," said Ma. She charges 500 yuan a month per dog, and

most customers leave their dogs at her house for a week. The    3  (busy) time is around Spring Festival,

because many people go back to their hometowns for family reunions    4    go traveling.

     "  5  (compare) with people who have to be in their offices during the day, I don't have to get up

early   6  (squeeze) into the subway carriages in rush hour, and I still make a decent salary, " she said.

     "But it's a tiring job. I have to work whenever there are dogs at home, and no time to enjoy   7  .

Sometimes I want to go out for a meal or shopping, but I can't do so   8  I worry about them, " she

said.

     Ma knows   9  the dogs' names, and when she calls one's name, the dog instantly knows she  10 

(refer) to it.

题型:单项选择题

账户贵金属业务客户开发中应注意要点?()

A.完整介绍交易规则

B.交易风险

C.承诺收益率

D.代客交易

题型:单项选择题

我国已批准承认的安全卫生国际劳工公约有()个。

A、7

B、8

C、9

D、10

题型:单项选择题

心肌梗死陈旧期的心电图表现,主要是()

A.P波消失,代之以f波

B.坏死性Q波

C.ST段下移

D.T波倒置

E.出现u波

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