at the University of Cambridge in the UK have made an artificial (人造的) “leaf” that gives off clean... hope to use the artificial leaf to create more kinds of clean energy in the future.Do you know what ……

This artificial “leaf” creates energy like a real leaf. AFPThis artificial “leaf” creates energy like a real leaf. AFPDo you know what photosynthesis (光合作用) is? It’s how ……

Choose the best answer:1. Which of the following statements is TRUE about the bionic leaf.... It is a combination of machine and microbe.D. The idea of a bionic leaf is very original. 2 ……

. This makes it hard for plants to get the right amount of sunlight to create food.The new study speeds up the process. Plants use less than 1 percent of the energy available to them. But by changing ……

but was too expensive and unstable (不稳定的) for practical use. The new leaf, by contrast, is made... catalysts. These catalysts make the energy transformation (转换) inside the leaf more efficient ……

but was too expensive and unstable for practical use. The new leaf, by contrast, is made of cheap.... These catalysts make the energy transformation (转换) inside the leaf more efficient with water ……

energy. Known as an “artificial leaf”, it aims to boost the development of green hydrogen – hydrogen... solar energy into chemical energy. Known as an “artificial leaf”, it aims to boost the development ……

' jumper is not just a sweater. It is a chompa, a hand-knitted pullover made from alpaca wool. The make... this month.The sweater is not the only thing that makes Morales stand out. He has recently become both a key ……

’t taste good when they’re under man-made lights.At night, bright streetlights make plants work.... Leaves also don’t taste good when they’re under man-made lights.   ……

insects, ants are really strong. The Leaf Cutting Ant is one example. These ants bite littlesemicircles... them to grow a kind offungus(菌类) that the ants can eat. The leaf pieces these ants carry can weigh ……

. This makes the leaf look red and purple.... are still trying to work out what exactly happens.Inside a leaf, there are millions of little color "bags ……

地球上的能源真的取之不尽，用之不竭吗？WE use energy to do everything. Energy lights our cities andpowers(驱动) our cars, trains, planes and rockets. It warms our homes, cooks our food, plays our music and makes ……

. They work by using a kind of man-made greenhouse gas called Freon (氟里昂), which is far more damaging... temperature decreases and, as it boils off, it takes energy from the surroundings to do so," says ……

to build a car that used less energy, they turned to the boxfish (硬鳞鱼) for help.The boxfish may look clumsy (笨拙的), but it can go through water easily. It does all this with very little energy. Daimler's new ……

大红狗和树叶堆
together.试一试小朋友，看完故事，试着把下面的句子排个序．A. T-Bone has to go home.B. T-Bone makes a leaf pile.C. T-Bone...后来……发生了什么呢？It’s a beautifulfallday. Clifford, Cleo and T-bone are making leaf piles (树叶堆) .T-bone ……