从细胞间质的多少看,完全相反的两种组织是( ) A.上皮组织和结缔组织 B.上皮

题型:选择题

问题:

从细胞间质的多少看,完全相反的两种组织是(  )

A.上皮组织和结缔组织

B.上皮组织和肌肉组织

C.结缔组织和肌肉组织

D.结缔组织和神经组织

考点:动物体的结构层次关系
题型:选择题

下列处理鸡瘟病死的鸡的方法中,正确的是 [ ]

A.用温水清洗干净后留作食用

B.腌渍成咸肉卖给他人

C.将死鸡深埋或用火烧毁

D.做成饲料喂动物

题型:选择题

下列房地产不是按其经营使用方式来划分的为( )。

A.出售型房地产

B.出租型房地产

C.办公型房地产

D.自用型房地产

题型:选择题

I used to be ashamed of my grandma. I know that's a 1 thing to say, but it was true until today, so I have to 2 it.
The  3 started when my friend Katy found Grandma's false teeth floating in a glass on the bathroom sink. I was so used to seeing them that I 4  took notice of them. But Katy shouted, laughing and 5  to talk to them. I had to get down on my knees and 6  her to shut up so my grandma wouldn't 7   and get hurt.
After that happened, I 8  there were a million things about Grandma that were embarrassing(令人窘迫).
Once she took Jill and me out to Burger King. 9   ordering our hamburgers well-done, she told the person behind the counter, "They'll have two Whoppers (巨无霸) well-to-do. " Jill burst out laughing, but I almost 10  .
After a while, I started wishing I could 11  Grandma in a closet. I even complained to my parents. Both my parents said I had to be careful not to make Grandma feel  12  in our home.
Then last Wednesday, something happened that 13  everything completely. My teacher told us to help find interesting old people and 14   them about their 15  for a big Oral History project. I was trying to think of someone when Angie pushed me gently.
"Volunteer your grandmother," she whispered. "She's 16  and rich in experience."
That was the last thing I ever thought Angie would say about my grandma.
This is how I ended up on  17  today interviewing my own grandmother before the whole school assembly (集合). All my friends and teachers were listening to her  18  she was a great heroine. I was  19  of my grandma and hoped she would 20  know that I had been ashamed of her.
小题1:
A.funnyB.commonC.terribleD.clear
小题2:
A.admitB.receive   C.refuseD.show
小题3:
A.quarrel   B.accidentC.trouble   D.adventure
小题4:
A.already   B.alwaysC.simplyD.hardly
小题5:
A.enjoyingB.pretendingC.imaginingD.continuing
小题6:
A.warnB.demandC.advise   D.beg
小题7:
A.mindB.hearC.seeD.fall
小题8:
A.expectedB.declaredC.realizedD.doubted
小题9:
A.Because ofB.Except for  C.Such asD.Instead of
小题10:
A.died     B.cheeredC.disappearedD.suffered
小题11:
A.meetB.avoidC.arrangeD.hide
小题12:
A.independent B.inconvenientC.unwelcomeD.unfamiliar
小题13:
A.changedB.finishedC.stoppedD.Prepared
小题14:
A.interviewB.report    C.tellD.write
小题15:
A.newsB.livesC.advantages  D.achievements
小题16:
A.freeB.popularC.interesting  D.embarrassing
小题17:
A.showB.stageC.dutyD.time
小题18:
A.and then   B.even if   C.so thatD.as if
小题19:
A.sureB.proudC.ashamedD.afraid
小题20:
A.never    B.evenC.stillD.once
题型:选择题

某石墨回收厂,为将回收的石墨棒处理成疏松状的碳粉,采用浓硫酸蒸煮废石墨棒的落后生产工艺,这种落后工艺所造成的恶劣后果是排入水体的废酸液导致严重环境污染。试完成下列问题:

(1)浓硫酸蒸煮石墨发生的化学方程式______________________________这种方法除废酸污染水体外,还将产生____________________。

(2) 该厂每天向附近溪水中排放400吨废酸液,现某环保小组测得该溪水中污染指数如下

以上数据表明氟化物超过国家规定标准310倍,COD超过国家规定标准260倍。为净化这条溪水,除责令该厂停产整顿外,主管部门决定,建在这条溪水上游的某水库开闸放水以稀释污染物。请计算溪水的流量应为每秒多少立方米时才能使该溪水中氟化物、COD指标达到国家规定的排放标准,此时溪水的PH值为多少?(原小溪中水忽略不计)

题型:选择题

如图所示,气管插管后,最理想的气管套囊压力应维持在()

A.8~10mmHg

B.11~14mmHg

C.15~22mmHg

D.23~25mmHg

E.26~30mmHg

更多题库