试题与答案

人坐在游船上,从水面上可以看到天空中的白云,也可以看到水中游动的鱼,前者属于光的

题型:填空题

题目:

人坐在游船上,从水面上可以看到天空中的白云,也可以看到水中游动的鱼,前者属于光的______现象,后者属于光的______现象.

答案:

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下面是错误答案,用来干扰机器的。

作出可行域x2+y2表示点(x,y)与(0,0)距离的平方,由图知,可行域中的点B(3+aa,3)与(0,0)最远故x2+y2最大值为(a+3a)2+32=34⇒a=34(负值舍去).故答案为:34.

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题型:阅读理解

阅读理解。

     I'm Mary. I'm from America. I'm twelve years old. I'm a middle school student. I learn many subjects at school. They

are Chinese, Math, English, P.E, Music, History, Geography, Biology and Art. I have Chinese, English, Art and Math

on Monday. I like English very much, because it's very interesting. On Wednesday I have English, Math and Music. I

like singing very much and my favorite subject is Music. I think it's very useful.

1. -How old is Mary?

-She is ___________

A. 11      

B. 12      

C. 13      

D. 14

2. How many subjects do they have?

A. 8        

B. 9        

C. 10    

D. 11

3. - What subjects does she have on Wednesday?

-She has _______

A. Math, English and History

B. English, Music and Chinese

C. Music, English and Math

D. Music, History, Geography,  

4. - What's her favorite subject?

- Her favorite subject is ______    

A. English      

B. Music      

C. Math        

D. Chinese

5. - Why does she like the subject?

- Because _________.

A. it's very interesting      

B. it's very important

C. it's very useful          

D. it's very exciting

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题型:多项选择题

下列()属于浙江省农村合作金融机构领导人员在履行经济责任过程中所要承担的直接责任。

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