用数字和化学符号表示: (1)2个氯原子_________; (2)铵根离子_

题型:填空题

问题:

用数字和化学符号表示:     

(1)2个氯原子_________;        

(2)铵根离子_________;         

(3)5个氮气分子___________;    

(4)硫酸铁中硫元素显+6价___________ 。

(5)构成氯化钠的微粒是__________和__________。

考点:离子符号的意义及写法化学式的写法和意义化合价的写法和意义元素符号的意义及写法
题型:填空题

根据所给单词的适当形式填空。

1. ________ (luck), she has an opportunity to make an advanced study in Beijing.

2. Edison is a famous _________ (design) in the world.

3. Because of the right _________ (decide), the doctors saved his father successfully.

4. Please __________ (pronunciation) correctly, or I can't understand you.

5. Students are often __________ (sleep) while having classes in the hot afternoon.

6. He's unhappy because of his little dog's__________ (die).

7. All students got ________ (boring) after the long lecture (演讲).

8. You're only twelve years old. Don't get your ears __________ (pierce).

9. I think __________ (memorize) the words of pop songs also helps a little.

10. Keep speaking English every day, your_________ (speak) English will be better.

题型:填空题

请你仿照例句,写两句话,要求句式相仿,字数一致。

例句:黄土砌成窑洞,窑洞诉说着对风沙的避藏和无奈。

(1)                                                                                  

                                                                          

题型:填空题

广东省委、省政府办公厅召开“网友意见建议交流会”,标志着广东网络问政从“网上听政”到“施政实招”迈出实质性的一步。这一措施

A.扩大了我国公民参与政治的权利

B.提高了公民参与政治的热情与积极性

C.表明政府决策与实施取决于公民的建议

D.改变了公民与政府之间的政治关系

题型:填空题

"眼直肌增粗",最常见于下列哪种疾病()

A.结节病

B.肢端肥大症

C.眼眶蜂窝织炎

D.痛性眼肌麻痹

E.突眼性甲状腺肿

题型:填空题

将人类个体发展的社会条件无限夸大,认为个人的发展完全取决于社会的是()

A.神学教育目的论

B.个人本位教育目的论

C.教育无目的论

D.社会本位教育目的论

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