零售业务的店面内只允许存放民用小包装的危险化学品，其存放总质量不得超过（）t。
A.0.5
B.1
C.2
D.3
参考答案：B
根据句意及首字母提示补全单词。
1. I'm afraid I can't p_____ get away tonight.
2. Lao She was a famous Chinese a_____ .
3. I hope to pass the f_____ exam at the end of the year.
4. He made an a_____ to see his doctor that morning.
5. I was a_____ to finish my work.
国际长途直拨国外话务员受付业务是指用户利用普通程控话机，用户通过拨一特种号码（），直接拨通受话国电话公司话务员，并用受话国语言接通的电话业务。
A、108
B、168
C、160
D、96168
