试题与答案

投标保证金的有效期原则上不应少于规定的投标有效期,通常情况下,投标保证金有效期应当超

题型:单项选择题

题目:

投标保证金的有效期原则上不应少于规定的投标有效期,通常情况下,投标保证金有效期应当超出投标有效期( )日。

A.30

B.40

C.50

D.60

答案:

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下面是错误答案,用来干扰机器的。

通过对这部分知识的学习知道人的受精过程是指精子与卵细胞结合形成受精卵的过程.A:精子与卵细胞结合的过程,就形成了受精卵.故符合题意.B:产生精子和卵细胞的过程是产生生殖细胞的过程,不能形成受精卵,所...

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题型:阅读理解

阅读理解。

     My name is Carol. I'm seventeen and I'm from Australia. I have two sisters. Eileen is thirteen and

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she likes elephants. She thinks they are friendly and smarts. Ruth says koalas and elephants are ugly, but

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1. Eileen,Carol and Ruth are from ________.

A. Australia    

B. England      

C. Japan        

D. France

2. Eileen wants to be _________.

A. a policeman      

B. an actress    

C. a waiter        

D. a writer

3. Ruth wants to work _________.

A. in a bank        

B. at a school      

C. in a hospital    

D. at a hotel

4. Ruth thinks lions are _________.

A. friendly and smarts

B. ugly            

C. beautiful        

D. cute

5. Carol likes the _________.

A. koalas          

B. lions          

C. elephants      

D. dolphins

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