读下图,下列说法正确的是
A、图中A处是向斜
B、①处地质构造是断层
C、A成山谷,主要受外力侵蚀作用的结果
D、两处比较,在B处修建地铁隧道更合适
答案:C
To avoid _________ on how to operate the machine, you should first read the
instructions carefully.
A.to get confused
B.getting confused
C.to get confusing
D.getting confusing
在心的系统联系中,心在液为
A.泪
B.汗
C.涎
D.涕
E.唾