进行土的含水率试验的天平的最小分度值为0.1g。()

题型:判断题

问题:

进行土的含水率试验的天平的最小分度值为0.1g。()

考点:公路工程试验检测员水泥、水泥混凝土类水泥、水泥混凝土类题库
题型:判断题
从方框中选择恰当的选项补全对话。

 A. Thank you very much.
 B. I'm sorry I don't know.
 C. How can I get there?
 D. How far is it from here?
 E. Is there a hotel near here?
A: Excuse me, sir? Where is the nearest hotel?
B:      1     You may ask that policeman over there.
A: Thank you all the same.. (The man goes to the policeman. )
A: Excuse me.      2    
C: No, there isn't a hotel near here, but there is one near the Bank of China.
A:    3      
C: It's about two kilometers away.
A:   _4    
C: You'd better take a taxi, because it's so late,there aren't any buses now.
A:    _5     
C: You're welcome.
1.      ___    2.   ___       3. ___           4. ___        5. ___      
题型:判断题

下图是某人体细胞染色体组成示意图,就其叙述正确的是

A.该图表示某女性的染色体组成,产生的生殖细胞无成对染色体

B.该人与爱人的第一胎是女孩,则第二胎是女孩的几率为0

C.该人若与近亲结婚,则他们的后代得遗传病的几率就会增大

D.图中染色体的成分主要由蛋白质和DNA组成,主要存在于细胞核中

题型:判断题

如图表示一交流电的电流随时间而变化的图象,此交流电的有效值是( )

A.3.5A

B.A

C.A

D.5A

题型:判断题

奔驰轿车用风挡除霜器

题型:判断题

过氧化物酶染色在空气中最终变为()

A.蓝色

B.棕色

C.棕褐色

D.浅蓝色

E.棕黑色

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