1.  To be honest, they may not good at showing themselves to the others or in the public.

2.  For example, a new word may appear\

3.  However, if you try to learn vocabulary by reading, your speed may a little slow at first.

4.  They may get\

5.  Because they can get a related degree of top-class university which may not realistic in China.

6.  May true .

7.  If you fall in love with somebody, you may spent a lot of time in dating.

8.  We may \

9.  They may become sicker , which is unfair .

10.  This may because the different structure of brain or something else.