佛尔哈德法同莫尔法相比有什么特点?

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问题:

佛尔哈德法同莫尔法相比有什么特点?

考点:水质检验工考试水质检验工考试题库
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选词填空,补全句子。

1. The colour of the skirt _______________ (are, is) red.

2. I have _______________ (a, an) apple.

3. I like _______________ (eggs, eat).

4. It is your _______________ (road, scarf).

5. The monkey is _______________ (strong, naughty).

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阅读理解。
China's Manned Space Program
The first stage The second stage The third stage
Time: October l5,2003
Spaceship: Shenzhou V
Main events: Chinese spaceman Yang Liwei was
sent up into space. He went around the
earth l4 times in his one -day flight. China became the third country to succeed in manned space flight.
Time: October l2, 2005
Spaceship: Shenzhou?
Main events: Chinese spacemen Fei Junlong
and Nie Haisheng were both sent up into space. On October l7, the two Chinese space heroes  safely returned to the earth

Future plans
1. China will make a manned moon
landing at a proper time around 2017.
2. China plans to set up a permanent (永久的) space lab, and build its engineering system in the near future

1.The Chinese spaceman traveling in space in the autumn of 2003 is     _    .    

A.Yang Liwei      
B.Fei Junlong    
C.Nie Haisheng    
D.Zhai Zhigang

2.Before China, How many countries had already sent their spacemen into space?   

A.Only one.      
B.Two.        
C.Three.        
D.We don't know

3.It took Yang Liwei  _       in Shenzhou V to circle the earth in space.    
A.one day        
B.two days      
C.three days      
D.fourteen days
4.During the second stage,Chinese spacemen stayed in space for ___    .    
A.one day        
B.four days      
C.five days        
D.fourteen days
5.Chinese spacemen will possibly walk on the moon around   __     .   
A.2007          
B.2008          
C.2010          
D.2017
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直流电弧炉留钢操作的主要目的是为了起弧,缩短冶炼周期。

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当冲裁模凹模有倒锥时,冲裁件就会出现()缺陷。

A、刃口相咬

B、卸料不正常

C、有不正常的毛刺

D、冲件不平

E、送料不畅通

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由两条平行沟谷分割的长条状的黄土高地叫()。

A、黄土墚

B、黄土塬

C、黄土峁

D、黄土碟

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