下列关于工程造价进行全过程动态控制措施的表述中，正确的有（　　）。A．以投资估算价控

下列实验现象描述正确的是

A．将红热铁丝插入氧气中，火星四射，放出大量的热，生成黑色固体

B．硫酸铜与氢氧化钠溶液混合，产生白色沉淀

C．充分加热碳酸氢铵固体，生成黑色物质

D．硫在空气中燃烧发出蓝紫色火焰，生成有刺激性气味的气体

实验小学要为三、四年级的学生每人买一本价格为12元的作文辅导书．已知三年级有145人，四年级有155人，两个年级一共需要多少元？

梯度回波GRE序列，血流呈（）

A.黑色低信号

B.灰色中等信号

C.白色高信号

D.低信号为主的混杂信号

E.高信号为主的混杂信号

The connection shared by grandparents and grandchildren is something very special and despite the changing family situation, it still remains strong across generations. For most of us, our grandparents were our first best friends, the ones with whom we shared our secrets and our pain.

In majority of the cases, grandparents would have babysat their grandchildren while parents were busy working and didn't have much time for their children. Even as a kid grows up, the love and affection for grandparents never dies, and for many teens, visiting grandparents or living with them in the same house is a pleasure. Kedar Patwary, a mass communication student, says, "I often end up having long conversations with my grandfather about the evolution of Indian society and I really admire him for the patience with which he answers all my questions. "

Many teenagers feel that their parents treat them as grown-ups, while their grandparents give them much freedom.

Leela Narayanan, a grandmother. says that she loves to pamper her grandchildren and cook favorite dishes for them. She further adds that her eldest granddaughter, who is now 19, was brought up by her till she was four and the closeness they shared remains the same even now。

At times, the gap m generations plays a negative role, when grandparents find it difficult adjusting to the modern lifestyle. Technology is what works against this relationship. Youngsters'  eing crazy about with gadgets leaves them with no time for their loved ones.

Maria Kutty, is a grandmother t0 12 kids. Her face lights up every time her grandchildren are mentioned. But she has one complaint.  "All my children stay close to me but when they come to visit and I want to spend time with them, I can't find them anywhere. They only have time for clickety-clackety things in their hands. Sometimes they listen to loud music and talk about things I don't understand. I feel very sad when I think of all those times," she says.

小题1:The author uses Kedar Patwary as an example ______.

A．to show Indian society is full of perfect harmony

B．to stress all the children admire their grandparents

C．to show grandparents get on well with grandchildren

D．to indicate grandparents are all good babysitters小题2:What does the underlined word "pamper" mean in the passage?

A．Spoil.

B．Raise.

C．Manage.

D．Educate.小题3:The gap generation sometimes is negative because_______.

A．grandchildren can 't fit in with modern lifestyle

B．grandparents are eager to know more technology

C．grandchildren are addicted to their digital products

D．grandparents spared no time with their grandchildren小题4:How does the author develop the passage?

A．By giving example.

B．By following the order of time.

C．By making comparisons.

D．By his personal experience.

结构化程序设计的一种基本方法是 ______。

A．归纳法

B．逐步求精法

C．递归法

D．穷尽法