问题
多项选择题
金属材料在腐蚀性介质中常见的腐蚀形态有（）。
A.晶间腐蚀
B.选择性腐蚀
C.应力腐蚀
D.冲刷腐蚀
答案
参考答案：A, B, C, D
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金属材料在腐蚀性介质中常见的腐蚀形态有（）。
A.晶间腐蚀
B.选择性腐蚀
C.应力腐蚀
D.冲刷腐蚀
参考答案：A, B, C, D
| Read and choose. 完形填空。 |
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| ( ) 1. A. doing ( ) 2. A. write ( ) 3. A. letter ( ) 4. A. put ( ) 5. A. postcard | B. do B. writing B. paper B. buy B. post office | C. does C. singing C. stamp C. send C. restaurant |