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问题 解答题
计算
①-2-（-
1
2
）-2÷（π-3.14）0               
②（m-n）2-（n-m）3
③（4×106）×（-
1
2
×10-3）        
④（p-q）4÷（q-p）3-（p-q）2
⑤（a2）3-a3-a3+（2a3）2．
答案

①-2-（-

1
2
）-2÷（π-3.14）0=-2-4÷1=-2-4=-6；

              

②（m-n）2•（n-m）3=（n-m）2•（n-m）3=（n-m）5；

③（4×106）×（-

1
2
×10-3）=-2×103；       

④（p-q）4÷（q-p）3•（p-q）2=（q-p）4÷（q-p）3•（q-p）2=（q-p）3；

⑤（a2）3-a3•a3+（2a3）2=a6-a6+4a6=4a6．

填空题

短文填空。

Dear Aunt Huang,

     Thank you for inviting us to 1_____ with you for our holidays. It's very kind  2_____ you. I always

like staying at your home in the countryside because it is so  3_____  there. In Shanghai, our house is

near Hongqiao Airport. Planes often fly right over us, so it is very  4_____  sometimes. And there is a

factory near our home, and that 5_____  plenty of noise, too. I am sure we will have a good time there.

      How is Uncle Wang? I believe he is feeling  6_____ better now. We are very sorry to hear about his

7_____. I drew a picture for him and I will bring it with me when I visit you. Mother and father send him

their  8_____ wishes, and  9_____ he will be well soon.

      Thank you again for 10_____  me.
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配伍题 B1型题

肺出血-肾炎综合征( )|

A.肺纹理增粗、紊乱，呈蜂窝状小透明区

B.咯血、肺浸润、低色素贫血、肾小球肾炎伴肾功能不全

C.免疫低下患儿出现发热、咳嗽、咳胶冻样痰及咯血

D.慢性咳嗽、咯血及小细胞低色素贫血

E.骨折后7天突然出现胸痛、咯血及呼吸困难
查看答案