非水溶液滴定法测定硫酸奎宁片的含量时,1mol硫酸奎宁需要消耗高氯酸的摩尔数为()
A.1
B.2
C.3
D.4
E.5
参考答案:D
阅读短文,选择正确答案。
Today my aunt (阿姨) comes to see me. She buys (买) me an ice cream. Ice cream is my favourite
dessert. It is delicious. I like it very much. My aunt always (经常) smiles (微笑). She is a lovely (美丽的) lady(女士). She loves (喜欢) ice cream too. I love my aunt.
1. What does my aunt buy for me? [ ]
A. A school bag
B. A new dress
C. An ice cream
2. What is my favourite dessert? (甜食)[ ]
A. Ice cream.
B. Porridge.
C. Meat.
3. What does my aunt always do?[ ]
A. She always go shopping.
B. She always smiles.
C. She always comes to see me.
4. Does my aunt like ice cream?[ ]
A. Yes, she likes it.
B. No, she doesn't like it.
C. No, she likes fruit.
餐饮部在本部门设备使用过程中,要经常检查设备的运转情况,发现问题应该()。
A.打电话给设备供货商,要求其进行售后服务
B.立即报工程部要求派专业人员进行维修
C.自行检查设备故障并维修
D.不做处理,等待工程部的常规检查