下列法律不属于我国经济法部门的是______。 A．财政法 B．继承法 C．竞争

苯海拉明最常见的不良反应

A．失眠

B．消化道反应

C．镇静，嗜睡

D．口干

E．粒细胞减少

中医认为与鼻咽纤维血管瘤发病相关的病机是

A．痰湿积聚

B．肝气郁结

C．气血瘀阻

D．脾虚邪滞

E．阴虚火旺

向由盐酸、碳酸钠、硫酸、氯化铜、氯化钠中的一种或几种混溶形成的稀溶液中，滴入氢氧化钡溶液，产生沉淀的量与加入氢氧化钡溶液体积的关系如图所示，则下列关于该溶液中溶质的判断正确的是（　　）

A．可能含有氯化钠

B．肯定没有稀盐酸

C．肯定含有氯化铜

D．可能含有两种酸

Dick was born in a poor family. His father had a small boat and went fishing in the morning and sold the fish in the market in the afternoon. Then he bought some food for his family. When winter came, they were often hungry. One morning the hungry man fell into the river and wasn’t found. Dick’s mother left her three-year-old son without saying good-bye. His aunt had to look after him.
Twenty years passed. Dick became a tall, p man. He found work on a farm. He worked hard and wanted to get more money. He often went to see his aunt with some nice presents. The woman was very happy but one day she died in a traffic accident. The young man was very sad. After he buried her, he decided to buy a beautiful tombstone(墓碑)for her. He went to town and came in a shop, but all the tombstones were too expensive. He asked, "Do you sell an old tombstone, sir" "Yes, we do, sir," answered the shopkeeper. "Is it as expensive as the new one"
"No, it’s much cheaper," said the man. "But another name was engraved (刻) on it." "It doesn’t matter," said Dick. "My aunt couldn’t read.\

The woman had to look after Dick because ______.

A．she was rich

B．his father asked her

C．she was kind-hearted

D．the boy loved her

根据市场竞争和垄断的不同程度，电力市场结构可以划分为哪些类型？