完形填空。 I have a good friend. __1__ name i

题型:完形填空

问题:

完形填空。
     I have a good friend. __1__ name is Mary. She__2__ from America. She is __3__ China with her
  father and mother. She can__4__ a little Chinese. She is in the No. 15 Middle School in Shanghai. Her
  father and mother __5__ . They are in the No. 50 Middle School. Mary is a good student. She __6__ 
 school five days a week. She __7__ up early. She __8__ to be late. She often goes to school very early.
 But today she got up late. So she got to the classroom at seven thirty. __9__ there weren't any students
  in the classroom. She wasn't late. She was still early. It was Saturday today. The students were all
 __10__ .
 (New words: got是get的过去式 was是is的过去式 were是are的过去式)
( )1. A. She          
( )2. A. come        
( )3. A. at          
( )4. A. say          
( )5. A. is teacher  
( )6. A. is go        
( )7. A. like getting
( )8. A. like        
( )9. A. And          
( )10. A. at home    
B. He            
B. comes        
B. in            
B. tell          
B. are teachers  
B. is            
B. likes getting
B. likes        
B. But          
B. in home      
C. Her      
C. are      
C. of        
C. talk      
C. is doctor
C. go to    
C. like get  
C. don't like
C. So        
C. at school
D. His            
D. go              
D. from            
D. speak          
D. are doctors    
D. goes to        
D. likes get      
D. doesn't like
D. Too            
D. in school      
考点:日常生活类阅读
题型:完形填空

亚硝酸钠是冬期施工常用的防冻剂、阻锈剂,人体摄入10mg亚硝酸钠,即可导致死亡。为防止亚硝酸钠中毒,必须做到()。

A.尽量不单独使用亚硝酸钠作为防冻剂

B.会辨认亚硝酸钠

C.建立严格的出入库手续

D.建立严格的配制使用程序

E.实行专人看管

题型:完形填空

红细胞生成素(EPO)是体内促进红细胞生成的一种糖蛋白,可用于治疗肾衰性贫血等疾病。由于天然EPO来源极为有限,目前临床上使用的红细胞生成素主要来自于基因工程技术生产的重组人红细胞生成素(rhEPO),其简要生产流程如下图。请回答:

(1)图中①所指的是______技术。

(2)图中②所指的物质是______,③所指的物质是_______。

(3)培养重组CHO细胞时,为便于清除代谢产物,防止细胞产物积累对细胞自身造成危害,应定期更换_________。

(4)检测rhEPO的体外活性需用抗rhEPO的单克隆抗体。分泌该单克隆抗体的_____细胞,可由rhEPO免疫过的小鼠B淋巴细胞与小鼠骨髓瘤细胞融合而成。

题型:完形填空

若每次打开Word程序编辑文档时,计算机都会把文档传送到另一台FTP服务器,那么可以怀疑Word程序被黑客植入( )。

A.病毒

B.特洛伊木马

C.FTP匿名服务

D.陷门

题型:完形填空

为了保证教室内的空气清洁新鲜,下列做法中错误的是 [ ]

A.保持室内空气流通

B.绿化周围的环境

C.勤打扫教室及环境

D.关闭门窗防止灰尘进入

题型:完形填空

发电厂和变电所控制室内应备有防毒面具,防毒面具要按规定使用并定期进行试验,使其经常处于良好状态。

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