通过查看阀门的型号可以知道阀门的（）。
A、连接方式
B、体积大小
C、阀体材料
D、出厂日期
参考答案：A, C
Her ________ towards me has changed since I helped her with the rice harvest. [ ]
A. attitude
B. altitude
C. diet
D. mind
--Your jacket looks nice.--- ______.
A．No,thanks
B．Yes,please.
C．It isn’t nice
D．Thank you
