比尔·盖茨:微软A.爱因斯坦:相对论 B.法拉第:汽车 C.牛顿:蒸汽机 D.史蒂芬

题型:单项选择题

问题:

比尔·盖茨:微软

A.爱因斯坦:相对论

B.法拉第:汽车

C.牛顿:蒸汽机

D.史蒂芬孙:拖拉机

考点:国家公务员行政职业能力测试行政职业能力测试
题型:单项选择题

PFM全冠在口内试冠前,要认真检查( )、( )和( )。凡瓷层磨改处粘固前应作( ),若有大面积磨改,常需要重新( )。

题型:单项选择题
完形填空。
  If you study in America, you need to know some classroom customs.When
the teacher asks a question, you    1    to give an answer. If you do not understand
the question, you should put up your hand and ask the teacher to    2    the
question. If you do not know the answer, it is all    3    to tell the teacher that you
do not know. Then he or she may know     4    you need to learn.
  There is    5    for not doing your homework. If you are absent, you should
call your teacher or someone    6    is in your class and ask for the homework. It
is not the teacher's responsibility to remind you     7    your missed homework.
You must not be absent on a test day. If you are     8    ill, call and let the
teacher    9    you can't be there for the test. If your teacher allows you to make up
the test, you should take the test within one or two days after returning to class.
Serious illness is the only mason for    10    a test.
  Be on time! It is considered rude to be late. Also, it disturbs other
students.   11    you come late, be sure to be quiet. Have your books and papers
out of your bag   12    you enter the room. Then come in and go to your seat
quietly. In the U.S. it is not necessary to knock when you enter the classroom. If
you must leave during a class, do so quietly. There is no need to ask for the
teacher's permission. Before entering a teacher's office or   13    office with a
closed door, knock first, then wait to   14    in.   15    in class is considered
impolite by many teachers. Some teachers may ignore it, but you should get
permission first.
( )1. A. expected     
( )2. A. pardon        
( )3. A. wrong        
( )4. A. what          
( )5. A. no use        
( )6. A. those        
( )7. A. on            
( )8. A. hardly        
( )9. A. knows        
( )10. A. not attending
( )11. A. For  
( )12. A. after        
( )13. A. any          
( )14. A. be noticed 
( )15. A. With a hat 
B. are expecting
B. repeat      
B. right        
B. how          
B. no time      
B. who          
B. to
B. strongly    
B. to know      
B. taking      
B. Once
B. while        
B. all          
B. be invited  
B. In a hat 
C. are expected    
C. ask            
C. stupid          
C. how many        
C. no chance      
C. which          
C. in              
C. badly          
C. know            
C. not missing    
C. Even if 
C. before          
C. anyone          
C. be stopped      
C. Putting on a hat
D. expect      
D. raise        
D. helpful      
D. why          
D. no excuse    
D. whose        
D. of          
D. mostly      
D. knew        
D. passing
D. Although    
D. as soon as  
D. a            
D. let          
D. Wearing a hat
题型:单项选择题
已知sinα=
3
5
, α∈(
π
2
,π),tg(π-β)=
1
2
,求tg(α-2β).
题型:单项选择题

金星的表面温度明显高于水星,根据下表有关数据判断,产生这一现象的主要形成因素是

[ ]

A、与太阳的距离

B、公转周期

C、自转周期

D、大气及成分

题型:单项选择题

铺设混凝土岔枕时,应用Ⅱ型混凝土枕过渡。

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