室外生活排水管道管径大于等于200mm时，检查井间距不宜大于20m。

依据法律，选项所列哪些项目必须进行招标()。

A．所有大型工程项目

B．全部或者部分使用国有资金或者国家投资的项目

C．使用国际组织贷款、援助资金的项目

D．关系社会公共利益的项目

阅读理解。

      It's sunny today. Li Ming is very happy because it is a special (特别的) day — Father's Day. Li

 Ming's father is a teacher. He comes home from work at 6:30 every day. Li Ming wants to buy a present

 for his dad. His father's favourite fruit is the pear. He goes to the supermarket to buy some pears. Then

 he gets home and does some cleaning (打扫). At 6:30, his father comes back. Li Ming gives his father

 a beautiful card (卡片). It says "Happy Father's Day!" Li Ming's father feels very happy.

1. It's a _____ day today.

A. fine

B. snowy

C. cloudy

D. windy

2. When does Li Ming's father come home from work?

A. At 6:00.

B. At 6:30.

C. At 7:00.

D. At 7:30.

3. What day is it today?

A. Mother's Day.

B. Teachers' Day.

C. Father's Day.

D. New Year's Day.

4. What does Li Ming give his father today?

A. A cake.

B. A radio.

C. A card.

D. A bicycle.

5. Which of the following is NOT true?

A. Li Ming's father likes pears very much.

B. Li Ming does some cleaning before his dad comes home.

C. There's "Happy Father's Day!" on the card.

D. Li Ming's father feels very tired.

仓库是保管、储存物品的建筑物和场所的总称。从现代物流系统的角度来看，仓库也是从事包装、分拣、流通加工等物流作业活动的物流节点设施。( )

下列说法中正确的包括（）。

A.自然科学和数学领域的创造力高峰在青年期

B.自然科学和数学领域的创造力的高峰在中年期甚至老年期

C.人文科学领域的创造力的高峰在青年期

D.人文科学领域的创造力的高峰在中年期甚至老年期

工人李某休假回村，一日主动携带邻居6岁小孩进入村旁林深路险、豺狼出没的山林中狩猎玩。走入森林约5公里的时候，两人失散。李某继续独自狩猎，之后既不寻找小孩，也没返村告知小孩家人，便径直回县城工作单位，4日后，林中发现被野兽咬伤致死的小孩尸体。李某的行为属于( )。

A．故意杀人

B．意外事件

C．过失杀人

D．不构成犯罪