（）是指以去奶脯、排骨的猪方肉（肋条）为原料。
A、大培根
B、排培根
C、奶培根
D、培根
参考答案：C
Now telephones are very popular and they are much _____ than before.[ ]
A. cheap
B. cheaper
C. cheapest
D. the cheapest
彻上明造
