侦察机属于() A.动态固定装置系统 B.动态移动系统 C.静态移动装置系统 D.静

题型:单项选择题

问题:

侦察机属于()

A.动态固定装置系统

B.动态移动系统

C.静态移动装置系统

D.静态固定装置系统

考点:管理学公共危机管理公共危机管理题库
题型:单项选择题

Running is becoming popular these days. Many of us run for our health. Doctors say many of the health problems come from these bad habits: eating too much, drinking too much, smoking too much and not having enough exercise. Doctors tell us, "Eat less, don't smoke, and exercise more."

Running is good exercise because it helps build a strong heart. It also helps most people lose weight. One 68-year-old woman runs three times a week. She runs to lose weight. "I love to eat," she says.

Running is good for our health in other ways, too. Many runners say running makes colds and other small health problems go away. "Running is my doctor," says one man.

Running can also help people to relax. So today men and women of all ages enjoy running.

小题1:What bad habits do the health problem come from?

A.Eating too much.

B.Drinking too much.

C.Smoking cigarettes and not having enough exercise

D.All the above(以上所有)小题2:What do doctors tell us to keep healthy?

A.Eat less,don't smoke and exercise more.

B.Eat more,drink more and sleep less.

C.Eat less,drink less and sleep less.

D.Smoke a lot and exercise more.小题3:The underlined word means ______________ in Chinese.

A.疾病

B.体重

C.速度

D.健康小题4:The third paragraph shows____________.

A.running helps people to relax

B.people who like running have many healthy problems

C.running helps build a strong heart.

D.people who like running have fewer healthy problems小题5:The writer mainly tell us ________

A.how to run

B.running is a good way to keep healthy

C.how to lose weight

D.running is better than doctors

题型:单项选择题

向100克盐酸和氯化钙溶液的混物中逐滴滴入10.6%碳酸钠溶掖,且参加反应的碳酸钠溶液的质量与生成沉淀的质量之间的关系如图所示,

(1) a点溶液中的溶质是____________,b点溶液中的溶质是___________

(2)试计算到a点时所产生气体的总质量和b点时溶液的总质量(保留两位小数)

题型:单项选择题

某旋风除尘器的阻力系数ξ=9.8,进口流速15m/s,当t0=20℃,P0=1的大气压下该旋风除尘器的压力损失为()。

A.1329Pa

B.1356Ps

C.1420Pa

D.1510Pa

题型:单项选择题

某客户开仓卖出大豆期货合约20手,成交价格为2020元/吨,当天平仓5手合约,成交价格为2030元,当日结算价格为2040元/吨,则其当天平仓盈亏为______元,持仓盈亏为______元。()

A.-500;-3000

B.500;3000

C.-3000;-500

D.3000;500

题型:单项选择题

目前,关于人类胚胎干细胞研究和应用中道德争议的焦点问题是()

A.人类胚胎干细胞的功能到底如何

B.人类胚胎是否是生命、是否应该得到尊重

C.人类胚胎发育阶段如何划分

D.人类胚胎干细胞是否可以商品化

E.人类胚胎是否可以克隆

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