第一部分
同义词替换
1.about
（大约）
—approximately
2.get—obtain
3.finish
—complete
4.change
—transform
5.method
—technique
6.buy—purchase
7.ask—inquire
8.begin
、start
—commence
9.cheap
—inexpensive
10.
obtainable
—avaible
11.
use—employ
12.
have
—possess
13.
get—acquire
14.
extra
—additional
15.
help
—assistance
16.
about
（关于）—
concerning
17.
enlarge
—magnify
18.
many
—numerous
19.
best
—optimum
20.
lively
—vigorous
第二部分
连接词使用
1.并列递进：
moreover, in addition, furthermore, besides, likewi ...