the Locusts
美音、自然拼读、分级阅读与词汇复习
Table of Contents A Flying Plague.
内容表 A飞行瘟疫。
4 Locusts Throughout History.
4 《历史全书》。
6 A Flying Mystery.
6"飞行神秘".
8 A Strange Change.
8 一个奇怪的变化。
10 Changing to Live.
10 变活.
12 Controlling Locusts.
12个控制口袋
14 Glossary.
14 词汇表。
16 A Flying Plague It’s been dry for weeks on the prairie.
16个飞行瘟疫 在草原上已经干涸了几个星期。
The corn is turning brown.
玉米变棕了
It needs rain.
它需要雨水。
A cloud appears in the distance.
相去相去相出一相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相
At first, the farmers are hopeful, but they soon realize that something is very wrong.
起初,农民们充满了希望,但他们很快就意识到,有些事情是十分错误的.
The sky turns brown.
天变出褐色.
Then there is a sound like hail falling on the roof.
然后,有一个声音像冰雹倒在屋顶上。
Locusts can cover large amounts of land.
蝗虫可以覆盖大量土地.
In 2004, this swarm in the Middle East devoured lawns and palm trees.
2004年,中东的这群人吞噬了草坪和棕榈树.
It’s insects—millions of them—landing on every surface.
昆虫——成百上千万的昆虫——遍布地表。
They chew away the corn, the grass, the trees, and the gardens.
他们咀嚼了玉米,草地,树木和花园.
They even eat the clothes hanging on the line.
他们甚至吃挂在线上的衣服.
Millions of jaws make a sound like a grass fire.
上百万下巴发出类似草地起火的声音.
Then, just as suddenly, the cloud rises and disappears.
后一如来起相起相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相相去相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相
The farmers have lost everything.
农民们失去了一切。
They have just lived through a plague of locusts.
他们刚刚经受了蝗灾
Locusts eat almost every part of green plants, including leaves, stems, flowers, and fruit.
禄口几乎会吃到绿色植物的每一个部分,包括叶子,花茎,花朵和水果.
Locusts Throughout History All through history, people feared swarms of locusts.
历史上的废墟 在历史上 人们都害怕蝗虫群
Millions of these large, colorful grasshoppers seemed to appear out of nowhere.
这些大而多彩的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生的活生生生生的活生生生生的活生生生的活生生生的活生生的活生生生生的活生生生生生生生的活生生生的活生生生生生的活生生生生生生的活生生生生生的活的活生生生生生的活生生生生的活的活生生生生生生的活活活活活的活活活活活的活活活活生的活活活活活活活活的活活生生生生的活活活活活活活活活的活活活活活活活活生的活活活活活生生生生生生生的活活活活活活活活活活活活活活
They ate every plant in sight.
他们把每个植物都吃了
They ate farmers’ crops.
他们吃农民的作物。
They ate grass, leaving other animals with no food.
他们吃草,留下其他动物没有食物.
If the swarm was large enough, it could cause famine.
如果群集足够大,就可能造成饥荒.
Many ancient and religious texts talk about plagues of locusts.
许多出自古来和宗教的文字都谈到蝗灾.
The swarms were often seen as a warning or punishment.
群起常被视作是警告或惩罚.
Many religious books depict plagues of locusts.
许多宗教书籍描绘了蝗灾.
When pioneers in the United States came west in the eighteen hundreds, swarms of locusts destroyed their crops.
当美国先锋于一八一九年向西走去时,一大批蝗虫摧毁了他们的收成.
In 1874, locusts covered the Great Plains.
1874年,蝗虫覆盖了大平原.
They ate over 5 million square kilometers (2 million sq.
他们吃了超过500万平方千米(200万平方公分).
mi.)
(中文(简体) ).
of crops, the wool from live sheep, and clothing off people’s backs.
庄稼、活羊的羊毛、人们背上的衣服。
They even got into kitchen cupboards and ate everything inside.
他们甚至进了厨房柜子 吃里面的一切
So many got squashed on the roads and train rails that it became too slippery to travel.
许多人被压在了公路上和火车上 以至于滑得无法行走
The locusts destroyed millions of dollars’ worth of crops.
蝗虫摧毁了价值数百万美元的农作物。
Many families had to leave their new farms.
许多家庭不得不离开新的农场。
A Nebraska farmer fights a losing battle against locusts in 1890.
一个内布拉斯加州的农民在1890年与蝗虫进行一场败仗.
A Flying Mystery One of the scariest things about locusts was that no one knew where they came from.
飞来飞去的神秘 蝗虫最可怕的一件事是 没人知道它们来自哪里
During quiet years, there were no swarms or even a single locust.
在平和的岁月里,没有成群的蝗虫,甚至没有一只蝗虫.
Then suddenly, millions appeared without warning.
突然间,数百万人突然出现,毫无警告。
Female locusts laid eggs in the soil.
雌性蝗虫在土壤中产卵.
Then the swarm moved on.
后出众而去.
The next year, everything was quiet again.
次年,一切恢复平静.
No new locusts came from the eggs.
没有新的蝗虫来自鸡蛋。
Female locusts lay eggs in loose soil.
雌性蝗虫在松散的土壤中产卵.
Where did they go?
他们去哪了?
When would they come back?
他们什么时候回来?
Why?
为什么?
Early in the twentieth century, scientists began to look into the mystery.
20世纪早期,科学家们开始探究这个谜.
A scientist named Boris Uvarov studied the desert locust, a very harmful species in the Middle East.
一位叫鲍里斯·乌瓦罗夫的科学家研究了沙漠蝗虫,这是一种在中东非常有害的物种.
His experiments changed everything we know about locusts.
他的实验改变了我们对蝗虫的一切了解.
Boris Uvarov A desert locust takes flight.
鲍里斯·乌瓦罗夫 沙漠蝗虫会飞走
It is one of a handful of locust species that plague humans today.
它是今天困扰人类的少数蝗虫物种之一.
A Strange Change Uvarov found that desert locust eggs did not hatch into baby locusts.
一个奇怪的变化乌瓦罗夫发现沙漠蝗虫卵没有孵出幼蝗.
Instead, they became short-horned grasshoppers.
取而代之,它们成为了短角 grass.
They were smaller and duller in color than their locust parents.
他们的颜色比蝗虫父母还小更沉闷
They also acted quite differently.
他们的行动也相当不同。
They did not form swarms that flew from place to place.
他们并没有形成从地到地的群落。
Short-horned grasshoppers lived alone.
短角草hopper独活.
They avoided other grasshoppers.
他们避开了其他的 grass.
Each grasshopper stayed in one small area.
每只 grass都停留在一个小区域.
They never caused much damage.
他们从未造成过很大损失。
So where did locusts come from?
蝗虫从哪里来?
Uvarov did more experiments.
乌瓦罗夫做了更多的实验.
When he forced the short-horned grasshoppers to live close together, something shocking happened.
当他强迫短角草hopper们住在一起时,发生了令人震惊的事情.
If grasshoppers kept bumping into their neighbors, they changed color.
如果草hopper不断撞上邻居,颜色就变了.
Instead of avoiding each other, they joined a group.
他们不是回避对方,而是加入了一个团体.
Together, the grasshoppers formed swarms.
草hopper一起形成 s.
All at once, they took to the air.
他们一举一动就上天了
The harmless grasshoppers had become locusts.
无害的草hopper变成了蝗虫。
There are more than twelve thousand species of grasshoppers.
有一万二千余种草hopper.
Only about a dozen become locusts—though scientists think more may someday.
只有十几只成为蝗虫,
Grasshopper to Locust—and Back Again Locust Egg Swarm Grasshopper Changing to Live Uvarov showed that some animals can change, depending on the conditions around them.
草hopper到Locust——再回Locust Egg Swarm草hopper 改变为活乌瓦罗夫显示,一些动物可以根据周围的条件而改变.
The change helps them live.
变化帮助他们活下去。
During a drought, the grasshoppers’ food supply shrinks.
在干旱期间,草hopper的食物供应收缩.
The grasshoppers follow their food.
草hopper随所食.
All the grasshoppers in an area end up crowded together in one spot, such as a wetland.
某个地区所有的草hopper最终聚集在一个地段,如湿地.
When things get too crowded, certain types of grasshoppers change into locusts.
当事情变得太拥挤时,某些种类的草hopper会变成蝗虫.
When a grasshopper transforms into a locust, its body changes.
当一头 grass变成蝗虫时,它的身体会改变.
But the biggest change is its behavior: grasshoppers live alone, while many locusts live in groups.
但最大的变化是它的行为:草hopper独活,而许多蝗虫则群居.
Drought Crowds Locusts!
干旱的乌鸦!
Together, they fly off in search of more food.
他们一起飞去寻找更多的食物。
They land in one place, eat everything, and then move on.
他们降落在一个地方,吃光一切,然后继续前进.
Changing into locusts helps these grasshoppers get through the drought.
变成蝗虫可以帮助这些生草人渡过干旱.
Lots of food Less food Drought (almost no food) When drought strikes, there’s less food to go around.
减少粮食(几乎无粮食) 当干旱降临时,
If enough grasshoppers squeeze into a tight area, some species transform into locusts.
如果足够多的草hopper被挤入紧凑的区域,一些物种会转变成蝗虫.
Controlling Locusts Locusts can still hurt farmers today.
控制口袋,口袋,今天仍然可以伤害农民.
Swarms are usually found in dry areas, such as North Africa, the Middle East, and Australia.
斯沃爾克通常出没于干燥地区,如北非,中东和澳大利亚.
However, Uvarov’s discovery changed how people fight locusts.
然而,乌瓦罗夫的发现改变了人们对抗蝗虫的方式.
Before, people tried to stop swarms by spraying poison over a wide area.
此前,人们试图通过向广大地区喷洒毒药来阻止群起.
The poison harmed other living things, including helpful insects such as bees.
毒药会伤害其他活物,包括蜜蜂等有帮助的昆虫.
Other farmers burned their crops.
其他农民也焚烧了庄稼.
The fires destroyed the swarm but also the crops.
火灾摧毁了群生,但也摧毁了庄稼。
Sometimes the farmers’ efforts were still not enough.
有时农民的努力仍然不够。
Poisons can kill harmful insects, but they can hurt other living things, too.
毒药能杀死有害的昆虫,但也会伤害其他活物.
Today, people keep a close eye on grasshoppers.
今天,人们要密切注视着草hopper.
They watch the weather and notice when a drought begins.
他们观察天气 并发现干旱开始。
Weather instruments can spot swarms while they are still small.
气象仪器可以在群落还很小的时候发现群落。
Farmers can apply little bits of poison to small areas.
农民可以将少量的毒药施入小地区.
The poison prevents large swarms from forming.
毒药阻止了大群的形成.
It can save millions of dollars’ worth of crops.
它可以节省价值数百万美元的农作物。
Locusts rarely cause famines anymore.
蝗虫很少再引起饥荒.
The better we understand these insects, the better we can live with them.
我们越了解这些昆虫,我们就越能和它们相处.
Weather radar can show locusts or other insects as they move across an area.
气象雷达可以显示蝗虫或其他昆虫在穿越一区域时会移动.
Radar can help warn farmers that a swarm is coming.
雷达可以帮助警告农民 一群人来了
Glossary conditions (n.)
词汇条件(不详)
(n.)
(无)