题干
The Slender West Lake ______ a long river named the Baozhang Lake.
A：is used to be
B：used to being
C：used to be
D：is used to being
答案(点此获取答案解析）
C
The Slender West Lake ______ a long river named the Baozhang Lake.
A：is used to be
B：used to being
C：used to be
D：is used to being
物体内两种重要化合物A与B的化学组成关系，相关叙述中正确的是
济侵略