A:75周年
B:85周年
C:79周年
D:89周年
- Today's young people can't live without smart phones.
- They keep their hands on the phones whether they go, even while they ______ meals.
有人说:“沟通是一座桥,渡你趟过溪水;沟通是一溪水,帮你浇熄怒火。”这表明沟通可以( )
关于酶和加酶洗衣粉的描述正确的是( )