以下表达式中,正确的是( ) A: K'(MY) = c(MY) / c(M)c(Y) B: K'(MY) = [MY] / [M][Y] C: K(MY) = [MY]/ [M][Y] D: K(MY) = [M][Y]/ [MY]

I'm punctual in my work lfe. But I'm not ___________ in my personal life by American standards.

用EDTA滴定金属离子M时，其滴定突跃范围最大的是 A: Kfθ'(MY)愈大，C(M)愈小 B: Kfθ'(MY)愈大，C(M)愈大 C: Kfθ'(MY)愈小，C(M)愈小 D: Kfθ'(MY)愈小，C(M)愈大

I’m not very like 11)______________. Um, they are very similar to each other, but I’m 12)________________ I’m ... they’re more like my mom. I’m more like my dad.

I’m considering ___ my job as I’m not getting on well with my boss. A: changed B: to change C: changing D: to be changed

--- Hello, I’m calling to confirm my room reservation. My name is Jane Smith.---______________________________________.

----What can I do for you ______ my mail while I’m away on a business trip? ----I’m wondering if you ______ my mail while I’m away on a business trip.

酸效应系数正确表达式是( ) A: αy(H)=[MY]/ [ Y] B: αy(H)=[MY ]/[M ] C: αy(H)=[Y´]/[Y] D: αy(Hm)=[M´]/[M] αy(H)=[Y]/[M]

I'm going to send my brother that letter.I'm going to send that letter _______ _______.

酸效应系数正确表达式是（） A: αY（H）=[MY]/[Y] B: αY（H）=[MY]/[M] C: αY（H）=[Y’]/[Y] D: αY（H）=[M’]/[M] E: αY（H）=[Y]/[M]