A
(2019·湖南永州三模)According to a review of the Guardian, the extinction of insects is 1.__________ threat to us human beings. The insects' shrinking populations contribute to a series of catastrophes, which will involve plants, birds, fish, small mammals, and everything else 2.________ depends on insects. The most recent study has concluded that the number of insects is decreasing in the world at a rate of 2.5% a year. At that rate, half the insects in the world will be gone in 50 years' time, and all of them in a century.
3.__________ (it) chief driver of this catastrophe is unlimited human greed, accompanied by global warming and industrial agriculture. We have long behaved with so little foresight that we consume everything we can reach until all is gone and dies off 4.__________ (natural).
Fortunately, some governments 5.________ (take) some necessary actions in recent years. The 6.__________(change) are gradual but steady. The EU has banned pesticides. But the necessary change also relies 7.__________ individual action. As individuals, we must consume wisely and properly in every way 8.__________ (help) with climate change. We must also change our food habits, eating 9.__________(little) meat and more organic. A little selfdiscipline in this generation will make a 10.__________(differ) to the generations to come.
【答案】1.a 2.that 3.Its 4.naturally 5.have taken
6．changes 7.on 8.to help 9.less 10.difference
