标记为34×7的轮胎是表示轮胎外径为34in(1in=25.4mm),断面宽度为7in的()。

A.低压胎

B.超低压胎

C.高压胎

D.无内胎低压胎

丸剂只能用于治疗慢性和虚弱性疾病。

A.正确

B.错误

地黄饮子的功用是滋肾阴，补肾阳，开窍化痰。

A.正确

B.错误

D

A few years ago, Paul Gerner began to gather a group of architects in Las Vegas to ask them what it would take to design a public school that used 50 percent less energy, cost much less to build and obviously improved student learning. “I think half of then fell off their chairs,” Gerner says.

Gerner manages school facilities (设施)for Clark County, Nevada, a district roughly the size of Massachusetts. By 2018,143,000 additional students will enter the already crowded public-education system. Gerner needs 73 new schools to house them. Four architecture teams have nearly finished designing primary school prototypes (样品); they plan to construct their schools starting in 2009. The district will then assess how well the schools perform, and three winners will copy those designs in 50 to 70 new buildings.

Green schools are appearing all over , but in Clark County, which stands out for its vastness, such aggressive targets are difficult because deign requirements like more natural light for students go against the realities of a desert climate. “One of the biggest challenges is getting the right site orientation(朝向),” Mark McGinty, a director at SH Architecture, says. His firm recently completed a high school in Las Vegas. “You have the same building, same set of windows, but if its orientation is incorrect and it faces the sun, it will be really expensive to cool.”

Surprisingly, the man responsible for one of re most progressive green-design competitions has doubts about ideas of eco-friendly buildings. “I don’t believe in the new green religion,” Gerner says. “Some of the building technologies that you get are impractical. I’m interested in those that work.” But he wouldn’t mind if some green features inspire students. He says he hopes to set up green energy systems that allow them to learn about the process of harvesting wind and solar power. “You never know what’s going to start the interest of a child to study math and science,” he says.

63．How did the architects react to Gerner’s design requirements？

A. They lost balance in excitement.

B. they showed strong disbelief.

C. they expressed little interest.

D. they burst into cheers.

公共图书馆的作用有哪些?

弹簧式安全阀结构紧凑、轻便、较严密、受振动不泄漏、灵敏度高、调整方便。()