单项选择题
Daylight savings time is a form of zone time that adopts the time（）.
A.one zone to the east
B.one zone to the west
C.two zones to the east
D.two zones to the west
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相关考题
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单项选择题
Dacron sails，when not in use，may be damaged if（）.
A.left in the sunlight
B.stowed wet
C.washed with soap
D.folded frequently -
单项选择题
Cyclones that have warm sectors usually move（）.
A.westerly
B.parallel to the isobars in the warm sector
C.toward the nearest high pressure area
D.faster than the accompanying cold front -
单项选择题
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
A.clearing weather
B.that a warm front has passed
C.probable thunderstorm activity
D.an approaching hurricane or typhoon
