Reading: Should I be allowed to make my own decisions?
226.obey动词，服从，顺从。
227.athlete名词,运动员；
athletic形容词，有运动精神的。
228.achieve （某人实现计划/理想）
= come true（计划/理想得到实现）动词，完成，实现。
229.every one可指人或物，可跟of短语；
everyone只指人，不跟 of短语，相当于 eveybody；
anyone 与any one;someone 与some one的用法类似。
230.race动词，赛跑；名词，参加赛跑。
231.助动词do用来加强语气。
此用法一般只用在一般现在时和一般过去时中，即用do,does,did + 动词原形。
Do be quiet,please.
He did go to school yesterday.
You do speak English very well.
232.realistic形容词，现实的，注重实际的
real真实的，真正的；
really真实地，真正地。
234.taught teach的过去式和过去分词。
bring →brought;
think →thought.
235.(be) serious about认真对待；热衷于
236.care动词/名词，关心，忧虑。
care about担心，关心。
237.always与进行时连用：
表示经常的反复性动作，表示说话人的某种感情色彩，如赞扬、不满、厌烦等。
She is always thinking of how she can do more for people.（表赞扬）
He was always asking for money. （表厌烦）
she is always asking for leave. （表不满）
238.only + 状语位于句首时：用部分倒装。
Only then did I realize the importance of English.
Only in Beijing have I seen such a beautiful scenery. P24
239.point名词，要点，论点；动词，指。
point to指向…;
point at指着…. P25