下 * * 种物质所含氯元素的化合价按一定顺序排列:①NaCl、②Cl2、③HClO、

题型:选择题

问题:

下 * * 种物质所含氯元素的化合价按一定顺序排列:①NaCl、②Cl2、③HClO、④X、⑤HClO3根据这种排列规律,X可能是(  )

A.KCl

B.ClO2

C.NaClO4

D.KClO3

考点:化合价的求法
题型:选择题

阅读理解,选择正确答案。

      I have a good friend in my home. It's a cat. Its name is Mimi. It's white and yellow. And it's very beautiful.

I play with it after school. It often plays with a ball or lines. My friends, Mary and Alice come to see it, but it is

behind sofas or in a box. Our families sit in a sofa and it can go there with us. In the evening, I must study at my

desk, but it is on the desk, too. At that time, I put it down. Is it my good friend? Guess, please.

1. Mimi is the name of a ___________. [ ]

A. boy

B. girl

C. cat

D. bird

2. Who is my friend in my home? [ ]

A. Mary

B. Alice

C. Mimi

D. my brother

3. Can my friends see my cat in my home?[ ]

A. Yes, they can.

B. No, they can't.

C. Yes, they can't.

D. No, they can.

4. I often play with ____________ after school.[ ]

A. a ball

B. the cat

C. books

D. lines

5. ____________ and I put the cat onto the floor. [ ]

A. The cat isn't my good friend

B. I don't play with the cat

C. I want to go to bed

D. I must study in the evening

题型:选择题

BWF10.5-100-1型电容器额定电容为()μF。

A.1.44

B.2.89

C.5.78

D.9.65

题型:选择题

选矿比指原矿重量(Q。)与精矿质量(Qk)之比,用“c”表示。

题型:选择题

毛细管水指被食品中由细胞间隙等形成的毛细管力所()的水;其特点和滞化水()。

题型:选择题

以下哪项是关于“势”的建议:()

A、问题的合理性和前提的必要性

B、问题的创新性和前提的合理性

C、问题的必要性和前提的合理性

D、问题的创新性和前提的必要性

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