· You are the Customer Service Manager in a telemobile company who has received a call from a customer complaining about the delay of delivery.· Write a memo to your secretary.· Telling her about the claim.· Mentioning the serial number of the order and date of delivery.· Asking for relevant files and the duplicate invoice.· Write 40—50 words on a separate sheet.
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表示弱酸或弱酸碱性药物在一定pH条件下分子型(离子型)与离子型(分子型)的比例().
A. Handerson-Hasselbalch方程
B. Stokes公式
C. Noyes-whitney方程
D. AIC判别法公式
E. Arrhenius公式
阅读以下函数说明和C语言函数,将应填入 (n) 处的字句写在对应栏内。 [说明] 已知r[1...n]是n个记录的递增有序表,用折半查找法查找关键字为k的记录。若查找失败,则输出“failure",函数返回值为0;否则输出“success”,函数返回值为该记录的序号值。 [C函数] int binary search(struct recordtype r[],int n,keytype k) intmid,low=1,hig=n; while(low<=hig) mid= (1) ; if(k<r[mid].key) (2) ; else if(k==r[mid].key) printf("succesS\n"); (3) ; else (4) ; printf("failure\n"); (5) ;