Russian space __________ is currently orbiting the Earth.

No force of gravity acts on an astronaut in an orbiting space station.

The GPS receiver is able to receive signals that are transmitted by stars orbiting overhead.

()service means a service which is based on polar orbiting satellites which receive and relay distressalerts from satellite EPIRBs and which provides their position . A: Geostationary satellite B: Near-polar orbiting satellite C: synchomizing satellite D. D: Terrestrial satellite

Russian space __________ is currently orbiting the Earth. A: tablet B: case C: shell D: capsule

Sensors in your smart car tuned to radio signals from orbiting satellites can l_______________ your car precisely and warn of traffic jams.

Sensors in your car tuned into radio signals from orbiting satellites can locate your car _________ at any moment and warn of traffic jams.

Sensors in your car _____ to radio signals from orbiting satellites can locate your car precisely at any moment and warn ______traffic jams.

A Russian space capsule is orbiting the Earth. 此句中" capsule"的含义是： A: 胶囊 B: 压缩 C: 太空舱 D: 容器

During the past two and a half years, researchers have detected eight planets _____ sunlike stars. A: touring B: ounding C: orbiting D: navigating