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举一反三
【单选题】_________is a protective suit which reduces the body heat loss of a person wearing it in coldwater. （原题加图）
A.
Lifejacket
B.
Insulated cold wear
C.
Fireman’s clothing
D.
Immersion suit
【单选题】On a weather map, a large letter “H” means ______. （原题加图）
A.
a high pressure area with cool, dry air, and fair weather
B.
a high pressure area with warm, moist air, and inclement weather
C.
horse latitudes, with rough seas and strong winds
D.
a heavy squall line near the “H”