to是不是介词?

是
to1
介词
prep.
1.向,往,到
She
lives
in
the
house
to
the
right.
她住在右边的房子里。
This
road
leads
to
Paris.
这条路通往巴黎。
2.(表示距离)离
3.(表示时间)直到,在...之前
He
wrote
from
morning
to
night.
他从早到晚写东西。
4.(表示程度、范围)到,达
He
was
wet
to
the
skin.
他浑身湿透了。
5.趋于;(变)成,(变)到
Things
are
going
from
bad
to
worse.
情形每况愈下。
6.(表示位置)对,面对
7.(表示接近、接触)在,于,紧贴着
8.(表示对象)对,向
Excessive
drinking
did
harm
to
his
health.
过量饮酒损害了他的健康。
9.属于,归于
I'v俯虎碘臼鄢铰碉歇冬忙e
lost
the
key
to
the
house.
我把屋子的钥匙丢失了。
10.(表示比较、对比)比
This
engine
is
superior
to
that
one.
这台发动机比那台要好。
11.(表示比例关系)每
12.对于,关于
What
is
her
attitude
to
the
issue?
她对这个问题抱什么态度?
13.与...一致,按...
Modern
paintings
are
not
to
my
taste.
现代画不合我的口味。
14.为了,用作
We
sat
down
to
dinner
at
six.
我们六点钟坐下来吃饭。
15.致使
To
her
delight,
she
passed
the
examination.
使她高兴的是她考试及格了。
16.由于