已知点M(a+4,3-a)在y轴上,则a=______.

题型:填空题

问题:

已知点M(a+4,3-a)在y轴上,则a=______.

考点:用坐标表示位置
题型:填空题

阅读理解。

     In England people don't usually talk too much. You can go on a bus, or in a train, and everyone sits

looking out of the window. Often  they read. They read books and papers.  But they don't talk much.    

When  you  meet  English  people,  they often  talk about one thing,  the weather.  So when you meet

somebody in England,  you  can  say,  "Nice weather  for the time of  year "   "But it was a little cold

yesterday, " some-body may answer.    "But it got a bit warmer later!" you can say.    Talk like this,

and the English will think,"How friendly you are!"

1. English people often____ on a bus.  

A. talk much    

B. sleep  

C. eat something    

D. read papers

2. When you meet English people, talk like    "  _________  "    

A. How do you do?    

B. How are you?    

C. Nice weather!    

D. Nice to meet you.

3.1f you talk with the English people about the  weather, they will think__________.  

A. you are friendly  

B. you are right  

C. you are English  

D. you talk too much

4. English people always hope the weather will  get__________.  

A.better    

B.warmer  

C.colder    

D.hotter

5. Which sentence is right?    

A. English people like to talk on a bus.    

B. English people don't enjoy the best weather.    

C. English people are the most friendly(最友好 的).    

D. English people don't talk much.

题型:填空题
如果点P(m,1-2m)在第四象限,那么m的取值范围是(  )
A.0<m<
1
2
B.-
1
2
<m<0
C.m<0D.m>
1
2
题型:填空题

一外科医生为一慢性乙型肝炎患者做手术时,不慎被沾有HBeAg阳性病人血液的缝针刺破手指,这时立即应采取何种预防措施()

A.注射胎盘球蛋白

B.立即注射丙种球蛋白

C.立即注射高效价乙肝免疫球蛋白

D.注射乙肝疫苗

E.服中草药垂盆草预防

题型:填空题

腐食酪螨体长0.3mm~0.4mm,卵圆形,乳白色,半透明,着生有4对足;体后区背面中部的第2对背刚毛比第1对背刚毛长2~3倍,足后体末端有()长刚毛。

A、2只

B、2对

C、5只

D、5对

题型:填空题

在这个极端依赖于信息的时代中,新产生出来的战争手段有()。

A.研制并使用具有超强杀伤力的新武器

B.大规模的核战争

C.海、陆、空相结合的立体战争

D.破坏或者操纵信息流的信息战

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