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  3. Of 2, 000 commercial beekeepers in the United States about half migrate. Migratory beekeeping is nothing new. The ancient Egypt

Of 2, 000 commercial beekeepers in the United States about half migrate. Migratory beekeeping is nothing new. The ancient Egypt

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问题     Of 2, 000 commercial beekeepers in the United States about half migrate.  Migratory beekeeping is nothing new. The ancient Egyptians moved clay hives, probably on rafts, down the Nile to follow the bloom and nectar flow as it moved toward Cairo. In the 1880s North American beekeepers experimented with the same idea. moving bees on barges along the Mississippi lighter, wooden hives kept falling into the water, Other keepers tried the railroad and horse drawn wagons, but that didn’t prove practical.  Not until the 1920s when cars and trucks became affordable and roads improved, did migratory beekeeping begin to catch on.
    For the Californian beekeeper, the pollination season begins in February. At this time. the beehives are in particular demand by farmers who have almond groves; they need two hives an acre. For the three-week long bloom, beekeepers can hire out their hives for $ 32 each.
    By early March it is time to move the bees. It can take up to seven nights to pack the 4,000 or so hives that a beekeeper may own. These are not moved in the middle of the day because too many of the bees would end up homeless. But at night, the hives are stacked onto wooden pallets, back-to-back in sets of four, and lifted onto a truck. It is not necessary to wear gloves or a beekeeper’s veil because the hives are not being opened and the bees should remain relatively quiet. Just in case some are still lively, bees can be pacified with a few puffs of smoke blown into each hive’s narrow entrance.
    In their new location, the beekeeper will pay the farmer to allow his bees to feed in such places as orange groves. The honey produced here is fragrant and sweet and can be sold by the beekeepers. To encourage the bees to produce as’ much honey as possible during this period, the beekeepers open the hives and stack extra boxes called supers on top.  These temporary hive extensions contain frames of empty comb for the bees to fill with honey. In the brood chamber below, the bees will stash honey to eat later. To prevent the queen from crawling up to the top and laying eggs, a screen can be inserted between the brood chamber and the supers.
    Three weeks later the honey can be gathered.  Foul smelling chemicals are often used to irritate the bees and drive them down into the hive’s bottom boxes, leaving the honey-filled supers more or less bee free. These can then be pulled off the hive. They are heavy with honey and may weigh up to 90 pounds each.  The supers are then taken to a warehouse where the extracting process takes place.
    After this, approximately a quarter of the hives weakened by disease, mites or an ageing or dead queen, will have to be replaced. To create new colonies, a healthy double hive, teeming with bees, can be separated into two boxes. One half will hold the queen and a young, already mated queen can be put in the other half, to make two hives from one. By the time the flowers bloom, the new queens will be laying eggs, filling each hive with young worker bees. The beekeeper’s family will then migrate with them to their summer location.
In March, beekeepers prepare for migration at night when the hives are ______ and the bees are generally tranquil.
选项
答案full
解析 由第三段第二、三句“These are not moved in the middle of the day because too many of the bees would end up homeless．But at night，the hives are stacked onto wooden pallets，back- to-back in sets of four，and lifted onto a truck．”可见晚上运送蜂箱是因为白天蜜蜂飞出去采蜜，如果蜂箱被运走，蜜蜂就无法回到蜂箱中了(end up homeless)。稍加推测可知，晚上蜜蜂都回巢了，蜂箱是满的。因此，答案是“full”或者其他含义相近的表达。
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