（1）They may be more likely to seek their peers' approval.

C

C

（2）You're always appreciative of what you have and what other people have done for you.

A

A

（3）For a lot of people，becoming a millionaire is a great success.

D

D

（4）In contrast to extroverts，they value fewer ，but deeper experience.

E

E

（5）Introverts look inside themselves for energy and motivation.

F

F

A.be grateful for sth...
B.having very strong feelings or emotions.
C.the feeling that sb/sth is good or acceptable.
D.a very rich person who has money of at least one million pounds or dollars.
E.the difference between two or more people or things.
F.the reason or reasons that one has for acting or behaving in a particular way.
G.the similarities between two or more people or things.