数学表达式中:①a2≧0②5p﹣6q<0③x﹣6=1④7x+8y⑤﹣1<0⑥x≠

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问题:

数学表达式中:①a2≧0  ②5p﹣6q<0  ③x﹣6=1  ④7x+8y  ⑤﹣1<0  ⑥x≠3不等式是(    )(填序号)。

考点:不等式的定义
题型:填空题

News Review

Head-on Train Crash     On May 18,two trains had a head-on crash (正面相撞) near New York City. Over 250 people were on the trains then. About 60 people were hurt, but no deaths were reported.

Travel Time    Tourists came together to Mount Tai on May 1.Over 180,000 tourists visited the place of great interest during the three-day holiday, from April 29 to May 1.

Brave Volunteer    Liao Zhi, a dance teacher from Chengdu who lost her 1-year-old daughter and her legs in the 2008 Wenchuan earthquake, arrived in Ya’an 13 hours after the earthquake. The dancer said she had had a terrible time herself and knew what people needed most, so she decided to come and offer help.

Tomato Competition   A tomato competition was held in Huainan, Anhui Province, on April 16.The best tomatoes were chosen according to their shape, color and taste. The competition hoped to encourage the farmers to grow better tomatoes.

小题1:About           people were hurt in the head-on crash.

A.18

B.29

C.60

D.250小题2:A lot of people visited Mount Tai          .

A.13 hours after the earthquake

B.on May 18

C.during the May Day holiday

D.on April 16小题3: Liao Zhi, the dance teacher from          , came to Ya’an to offer help.

A.Huainan

B.Chengdu

C.Taishan

D.New York小题4:Liao Zhi lost her daughter and her legs          .

A.in Wenchuan earthquake

B.in Ya’an earthquake

C.when she took a train

D.when she climbed mountains小题5:The tomato competition in Anhui Province was held to          .

A.help the people in Ya’an

B.save the people on the trains

C.forget the terrible time

D.help grow better tomatoes

题型:填空题

以长为13cm、10cm、5cm、7cm的四条线段中的三条线段为边,可以画出三角形的个数是(  )

A.1个

B.2个

C.3个

D.4个

题型:填空题

晚上7时,刘医生值班。一农妇怀抱6岁小孩急匆匆来到急诊室,请求医生救她儿子的命。她边哭边说,小男孩4点左右从6米多高的地方摔下来,她赶了3个多小时的路程来到这里。经刘医生检查,颅骨骨折,瞳孔散大,对光反射消失,口鼻出血,小便失禁,孩子已处于深度昏迷状态,情况十分危急。刘医生立即开出CT检查单,一旦结果出来,就可行开颅术。但孩子的母亲没钱,CT无法做,手术不能进行。刘医生只好一边催其母亲去筹钱,一边给小孩采取一些抢救措施,他只能做到这些。可直到天亮,孩子的母亲也未把钱筹来。早7点36分,这个顽强的小生命再也无法抗拒死神的召唤,永远离开了这个世界。

没有遵循哪条医院管理道德的基本原则()

A.预防为主的原则

B.以人为本原则

C.两种效益兼顾社会效益优先的原则

D.质量第一原则

E.公平公正原则

题型:填空题

(1).属于薄膜滤过法
(2).生产中用于精滤
(3).孔径规格以相对分子量截留值为指标
(4).属于加压滤过法

A.微孔滤膜滤过

B.超滤

C.二者均是

D.二者均不是

题型:填空题

水环境容量

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