更多"Using a new{{U}} (36) {{/U}}devic"的相关试题:
[填空题]Using a new{{U}} (36) {{/U}}device called Microwave Landing System (MLS) , airplanes will be able to land themselves. With MLS, more planes will be able to land on the ground more quickly and more safely without a pilot’s touching the controls.
From the time a plane enters the zone of area covered by MLS until it lands, it is controlled com plctcly and{{U}} (37) {{/U}}Bad weather has no effect on the system, even zero{{U}} (38) {{/U}}fog.
The normal operations for landing—engine reversal,{{U}} (39) {{/U}}, and steering—are{{U}} (40) {{/U}}by MIS. The pilot does not have to do anything; however, the pilot may take control again if the need{{U}} (41) {{/U}}
Using the current{{U}} (42) {{/U}}Landing System(ILS) ,pilots follow a radio beam. The ILS beam is very narrow, like a long tube. To follow it, airplanes must fly{{U}} (43) {{/U}}along the beam, starting at least eight kilometers from beginning their approach to touchdown. In many cases, pilot must begin t
[单项选择]By using new foreign textbooks, we could not only learn the right expression of business ideas, but also we will know the latest developments in the business world.（ ）
A. but also will know the lastest
B. but also know the lastest
C. but also know the latest
D. but also come to know the latest
[填空题]
Using the U.S. space agency’s NASA Chandra X-ray ______, Alexey Vikhlinin and his colleagues observed 86 tightly-packed ______ clusters.
[单项选择]
W: You must have enjoyed using your new camera on your trip. M: I would have, but after buying a new camera especially for that trip, I left it in the car with my friend who drove me to the airport.
What did the man say about his camera （ ）
A. He enjoyed using his new camera.
B. He left his camera at the airport.
C. He left his camera in his friend’s car.
D. He lost his camera on his trip.
[单项选择]A) He enjoyed using his new camera.
B) He left his camera at the airport.
C) He left his camera in his friend’s car.
D) He lost his camera on his trip.
[填空题]
Aspirin — a New Miracle Drug
1. Using aspirin, an over-the-counter pill on sale in every supermarket without a prescription, to treat serious circulatory disease may seem almost like quackery. But today doctors recognize this drug as a potent compound as important as antibiotics, digitalis and other miracle drugs.
2. In its natural form as willow bark and leaves, this remarkable remedy dates back to Hippocrates. In 1829 the chemical in the willow tree that can relieve pain and reduce fever was discovered to be salicin. By 1899 the Bayer Company in Germany had marketed a variant, acetylsalicylic acid, under the name of aspirin.
3. Since then, aspirin and compounds containing aspirin have been taken by tens of millions of arthritis patients. As a pain killer aspirin is, according to one study, more effective than all other analgesics and narcotics available for oral use. It also acts on the body’s thermostat, turning down fe
[简答题]Currently, rules on using these devices are left up to individual airlines.
