题目内容
（请给出正确答案）
How does the Georges Building differ from nearby buildings？
A．It is made from different materials.
B．It is made from a different architectural style.
C．It is larger than the other buildings.
D．It is a much taller building.
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更多“How does the Georges Building …”相关的问题
A、lend support to the invisible hand by maintaining property rights and political stability.
B、subsidize key industries.
C、limit foreign investment to industries that don't already exist in the country.
D、impose trade restrictions to protect the interests of domestic producers and consumers.
| 阅读理解。 |
| The space shuttle Columbia flared and broke up in the skies over Texas on Saturday, February 1, 2003, killing the seven astronauts on board in what NASA and President Bush called a tragedy for the entire nation. NASA launched an investigation into the disaster and began searching for the astronauts' remains. It said that although there had been some data failures it was too early to nail down a precise cause. The break-up, 16 minutes before the shuttle was due to land at Kennedy Space Center in Florida, spread possibly toxic debris (有毒的残骸) over a wide area of Texas and neighboring states. Dramatic television images of the shuttle's descent clearly showed several white trails (痕迹) streaking through blue skies after the shuttle suddenly fell apart. It was almost 17 years to the day that the Challenger shuttle exploded on Jan. 28, 1986, killing all seven astronauts on board. Take-off and re-entry into Earth's atmosphere are the most dangerous parts of a space mission. In 42 years of US' human space flight, there had never been an accident in thedescentto Earth or landing. Challenger exploded just after take-off. Rescue teams scrambled to search for the remains of the crew, which included the first Israeli to fly on the shuttle, former combat pilot Col. Ilan Ramon. There were warnings that parts of a vast 120-mile-long corridor of debris could be toxic because of poisonous rocket propellant (推进器). "We are not ready to confirm that we have found any human remains," Nacogdoches County Sheriff Thomas Kerrs said. He added that among the roughly 1,000 calls reporting debris, some people said they found remains of crew members. "The Columbia is lost. There are no survivors, …Their mission was almost complete and we lost them so close to home. … America's space program will go on," said a grim-faced Bush in a message broadcast on television, which included condolences (同情) to the families of the dead astronauts. |
| 1. The word "descent" in the passage means _______. |
| A. taking off B. landing C. orbiting (绕轨运行) D. walking down |
| 2. Which is true of the Israeli astronaut Ilan Ramon？ |
| A. He was the first Israeli astronaut to fly on the shuttle. B. He was the first foreign astronaut to fly on the American shuttle. C. He used to be a passenger plane pilot. D. He was the only survivor in the Columbia disaster. |
| 3. The Columbia disaster and the Challenger disaster were similar in that _______. |
| A. there were seven astronauts killed on board B. both the shuttles exploded when they took off C. Both the shuttles exploded when they were about to land D. no human remains were found |
| 4. Which of the following is wrong according to the news？ |
| A. The U.S.A. will give up the space program because of the accident. B. NASA hasn't found the cause of the Columbia disaster. C. Before the Columbia disaster, no shuttles had exploded in the course of landing. D. Take-off and re-entry into Earth's atmosphere are the most dangerous parts of a space mission. |
| _____ the fact that David failed in the competition, his teacher thought be had done his best. |
[ ] |
| A. Although B. Despite C. While D. Without |
A、the inverting amplifier has the higher CMRR
B、the noninverting amplifier has the higher CMRR
C、the CMRR is the same for the inverting and noninverting amplifiers
D、None of the above
This op-amp is connected as a(n) _______.
A、inverting constant-gain multiplier
B、noninverting constant-gain multiplier
C、voltage buffer
D、None of the above
A、R1 is open.
B、V1 = 0
C、R is shorted by a solder bridge.
D、All of the above
Determine the gain of this circuit.
A、10
B、0.1
C、-0.1
D、-10
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