【简答题】Broken rubber bands and flat tires requiring replacement could soon be a thing of the past. French researchers have developed a new kind of rubber that can repair itself when broken.The new rubber is ...
【单选题】One day, drought may be a thing of the past, at least in any country not too far from the sea. Vast areas of desert throughout the world may for the first time come to life and provide millions of hec...
A.
much of desert has been changed into rich farmland already
B.
the problem of drought could easily be solved all over the world
C.
ice from the polar area may be used to solve the problem of drought
D.
it is possible to solve the problem of drought in many countries
【简答题】a victory or success; your usual way of doing things, esp. when you do them in a fixed order at the same time; succeed in achieving sth. after trying for a long time; a natural physical or metal abil...
【简答题】I’ve shopped online before, but I don’t do it very often. It’s true that shopping online is convenient, and that there is sometimes a better choice available, but I just don’t enjoy it so much. For me...
【简答题】Please read the following passage: (Pause) 请大家划出需要停顿的地方,并朗诵。 Have you ever seen a forest fire? It is a terrifying thing to see the flames run along the ground licking up the leaves and dead branches. ...