题目

猪肉的新鲜度可以通过测定其PH来判断。有资料显示，PH与肉类新鲜度的关系为 名称新鲜肉次鲜肉变质肉 PH5.8～6.26.3～6.6＞6.7 新鲜肉在变质过程中酸性强弱的变化为   （   ） A、变强    B、变弱   C、不变  D、无法确定 答案：B－Could you help me? I will make a duty report in my English class tomorrow.－We have so many things __________, for example, your favorite singer.A. to talk B. to talk aboutC. to talk with D. to talk to