P178[音频]Task 2 The words in bold are from Listening Skills & Strategies in this partListen to their explanations. Then complete each sentence with the correct word.A. Forefront refers to the most noticeable or important position.B. Plummet means to decrease in value or amount.C. To shroud is to hide something or cover something.D. If an object or a substance is translucent, it is not transparent, but clear enough to allow some light to pass through.E. An armada is a large group of things.F. Something mind-boggling refers to something extremely surprising and difficult to understand or imagine.G. Volatile as a technical word describes the quality of liquid or solid substance that changes easily into a gas.H. A perception is a thought, belief, or opinion, often held by many people and based on appearances.1. While the intense competition that marked the early years of space no longer exists, experts agree Sputnik forever changed the of outer space and its possibilities.2. Tropical Storm Lee brought rain and wind, causing temperatures to3. Carrie's skin is .Blue veins run visibly beneath it like a roadmap to her heart.4. SJCOOP alumni like Maxwell are increasingly impacting their colleagues in newsrooms across the continent and successfully thrusting science to the of news shows.5. The new kind of telescope was designed to penetrate the curtains of the dust and the gas that galaxies, swirl around stars, and stretch through the expanses of interstellar space.6. Carbon dioxide, water and other substances are believed to have been degassed from the Earth in its early history of formation and cooling.7. The only galaxy that can be seen by the naked eye from Arches National Park is M31, better known as Andromeda, which is 2.5 million light years away.8. For nearly a year, the international has been successful in keeping many ships from being hijacked.