卸甲使用中连接的两根绳索或吊环，应该一根套在（）上，一根套在卸体上。
A、横销
B、卸体
C、40T链子
D、竖轴
参考答案：C
粘强碱后急救原则？
In learning a foreign language, （） English, one should first pay attention to speaking, which is the groundwork of reading and writing.
A. says
B. say
C. to say
D. saying
