什么是破碎红纤维

《中华人民共和国教育法》规定，明知校舍或者教育教学设施有危险，而不采取措施，造成人员伤亡或者重大财产损失的，对直接负责的主管人员和其他直接责任人员，依法追究（）。

A.民事责任

B.刑事责任

C.一般责任

D.行政责任

桑葚是桑树的果实，是抗衰老的佳果，桑树在植物分类中及桑葚在结构层次中分别属于（　　）

A．裸子植物、营养器官

B．被子植物、营养器官

C．裸子植物、生殖器官

D．被子植物、生殖器官

阅读理解。

     A new power plant in Nakoso, Japan, might someday change everything for coal plants. Since the new

power plant fired up in September, the designer, Mitsubishi, is expecting to prove it's possible to burn coal

without polluting. This technology is known as integrated gasification combined cycle (IGCC). Proving IGCC

works should motivate Mitsubishi's US partner, NRG Energy, to jump other hurdles to building new clean

plants.

     The project promises to solve the problem of the ages for power plants: how to produce cheap, clean,

reliable electricity. No existing technology can do all three perfectly.

     The problem is IGCC isn't there yet. It costs about 20 percent more than traditional plants. And even

though it's easier to collect the resulting carbon dioxide from an IGCC plant than a traditional plant, there's

no proven way to get rid of the greenhouse gas. One plan is to drill a shaft (通道) to pump the carbon dioxide

underground, into saltwater formations. But there's no guarantee it will remain underground forever.

     NRG administrators think solving the IGCC riddles is worth the trouble because they expect the US will

soon limit the amount of carbon dioxide that power generators may give out.

     "With the additional cost of IGCC, to just voluntarily build something that's 20 percent more expensive,

that's commercial suicide," NRG chief administrator, David Crane said.

     NRG administrators expect the cost to decline after six or seven plants are built. But other industry experts

think it will take about a dozen plants for the price to be competitive with traditional coal plants.

     Takaya Watanabe, a vice general manager of Mitsubishi, admits that the cost challenges are difficult. "It's

good for a company to say we want to be green, but unless someone is willing to pay, it's a dream. It won't

keep our family eating rice," he said.

1. What is expected of the new technology?

A. To make electricity without polluting the air.

B. To produce energy without burning coal.

C. To keep the use of electricity cheaper.

D. To pump carbon dioxide more easily.

2. What's the biggest problem the companies are faced with?

A. How to pump greenhouse gases.

B. How to deal with the high cost.

C. How to get along with other partners.

D. How to improve the new technology.

3. What can be inferred from the passage?

A. New technologies are unacceptable to people.

B. It's unlikely to build more new power plants.

C. The companies are run on a tight budget.

D. Going green is easier said than done.

什么是冶金焦？

一男患儿，10岁。突然尿频、尿急、尿痛、排尿困难，有时排尿突然中断，有终末血尿。应考虑

A．肾结石
B．膀胱结石
C．输尿管结石
D．尿路感染
E．肾结核