初二完形填空bad weather can come up s_ at sea.Winds and waves can smashbad weather can come up s__ at sea.Winds and waves can smash boats.People may end up in the water.when that h__,thee is no time to waste.Pigeons may be sent to the rescue.th
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初二完形填空bad weather can come up s_ at sea.Winds and waves can smashbad weather can come up s__ at sea.Winds and waves can smash boats.People may end up in the water.when that h__,thee is no time to waste.Pigeons may be sent to the rescue.th
初二完形填空bad weather can come up s_ at sea.Winds and waves can smash
bad weather can come up s__ at sea.Winds and waves can smash boats.People may end up in the water.when that h__,thee is no time to waste.Pigeons may be sent to the rescue.
the pigeons are a special group of birds.The Navy is training their birds to look for the colour orange in the water.that is b__ life jackets are orange.
the pigeons ride in a helicopter with the Navy crew .The birds can see a very long distance- about 2,000 feet .They usually spot the orange life jackets b__ the crew does.That means the crew can act more quickly to s__people
初二完形填空bad weather can come up s_ at sea.Winds and waves can smashbad weather can come up s__ at sea.Winds and waves can smash boats.People may end up in the water.when that h__,thee is no time to waste.Pigeons may be sent to the rescue.th
sometimes
happens
because
before
save
suddenly 突然地
happens 发生
because 因为
before 在···之前
save 拯救
suddenly 因为后面说没时间浪费，可见的突发情况
happened what happened 对于前面的情况
because 解释救生衣颜色原因
before 救人一定要在发生什么之前
save 更快地在危险中救人
suddenly 突然地
happens 发生
because 因为
before 在···之前
save 拯救