增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

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。

    Time waits for no man. This is something I learned very clear last term. I spent so much time fool around that my grades began to fall. I finally realize that something necessary had to done. It was time of a change.

    Now I have a new plan for using my time wisely. I have set my alarm clock ahead half a hour. This will give him a head start on the day. I have also been decided to keep a record of what I do and when I do it. Looking back on which I've done will give me some idea on how to rearrange my time.

摩托罗拉公司研发了一种由甲醇（CH₃OH）为原料的新型手机电池。电池反应的原理为：2CH₃OH + 3O₂ + 4NaOH = 2Na₂CO₃ + 6H₂O。若消耗了3.2 g甲醇，可生成多少克水？

同一平面内的四条直线满足a⊥b，b⊥c，c⊥d，则下列式子成立的是（   ）

细菌没有成形的细胞核，遗传物质位于细胞特定的区域内，遗传物质是如图中所示的（　　）

农科院的科研人员将油桃和蟠桃进行杂交，培育出油蟠桃，其利用的是（    ）