在高温条件下,设备发生硫化氢腐蚀的类型是()。
A、硫腐蚀
B、氢腐蚀
C、硫化氢腐蚀
D、二氧化硫
参考答案:A, B, C
In this five-person game, the one who finds _____ hidden balls will win the last free ticket
for the movie A Born Player. [ ]
A. many
B. some
C. the more
D. the most
汉代的织锦用经线显花,被称为()。
A.纬锦
B.经锦
C.汉锦
D.云锦