书写电子式或用电子式回答下列问题

①NaOH____ ②H₂O____ ③O=C=O____④CCl₄____

⑤以氟化氢为例表示共价键形成过程____

⑥以硫化钠为例表示离子键形成过程____．

增加：在缺词处加一个漏词符号（^），并在此符号下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词。

2）只允许修改10处，多者（从第11处起）不计分。

3）必须按答题要求做题，否则不给分。

    We high school students do have some growing pains, but we can get rid of it correctly and wisely. First, some students are upset their figures and looks. It's necessary and it's not important at all. We needn't to care about them. It is one's inner beauty which matters. Second, we sometimes seems to be misunderstood by our classmates. Facing this, we can find a proper time to have a heart-to-heart talk with them, try to remove the misunderstanding. Third. we may fall after others,which makes us stressed. Actually, we can encourage ourselves to work efficient, full of determinations.

关于我国法律和道德说法正确的有（   ）
①凡是我国法律禁止的行为，都是社会主义道德所谴责的行为　②我国法律和社会主义道德相互配合、相互促进、相互补充　③我国法律和社会主义道德没有相同之处　④我国法律所要求和鼓励的行为，都是社会主义道德所提倡的行为 

一次函数y=﹣5x+2的图象不经过第____ 象限．