更多"A sunflower is a sunflower. A mobil"的相关试题:
[填空题]A sunflower is a sunflower. A mobile phone is a mobile phone. But can you (47) the two to do something for your local (48)
It may well be possible. When you have finished with your mobile phone you will be able to (49) it in the garden or a plant pot and wait for it to flower. (50) , a bioclegradable(生物可讲解的 ) mobile phone was introduced by scientists. It is hoped that the new type of phone will encourage 51 to recycle.
Scientists have come up with a new material over the last five years. It looks like any other (52) and can be hard or soft, and able to change shape. Overtime it can also break down into the soil without giving out any toxic (53) . British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into waste, it (54) nitrates ( 硝酸盐 ). These teed the seed and help the flower grow.
Engineers have designed a small (55)