Vocabulary:

选择：

        in this situation,"no guarantee" means it's not definite.

        if his nerves regenerate,it means they might grow back to replace lost or injured nerves.

        The doctors later told him that he might never regain the use of his legs. 

        To ignite something means to spark an explosion or fire.

        Someone who is mischievous is someone who often gets into trouble (but not serious trouble). 

        Something is essential if it is necessary or required.

选择合适的词：

        A rare commodity is something that is：scarce & uncommon

        Since the situation is changing :    a trend & an indicator

        An inspiring person is someone who made night your:    motivation & passion

填空：

        When the villagers heard his cries for help, they rushed up the hill to rescue him and chase the wolf away.

        Some forms of life can be ugly to look at but can provide you with enough protein to survive. 

         This vast area is famous for its harsh desert climate.

        The taxi driver survived with only a few injures because he was wearing a seatbelt.    The taxi's airbag had also deployed, absorbing much of the impact.

        Now, Harry is trying to figure out what to do.    If he works hard and exercises every day there is still a chance that his legs will recover on their own.

        Without the use of his legs, he wouldn't be able to continue working in the same way.

It wouldn't be possible to travel, so he would have to find another way to attend meetings.

speaking:

跟读：

        He was on his way to attend an important meeting in New York City.

        The accident wouldn’t have happened had the weather been better. 

        It spun around and skidded into the path of an oncoming truck. 

        He has a positive attitude toward life and is determined to prove himself.

        The doctors later told him that he might never regain the use of this legs.

        Some of his nerves had been damaged, but there is a chance that they will heal. 

         I have an expensive girlfriend now, so I can't afford it.

        One day, he came up with what he thought was a brilliant idea. 

        If something is essential, it is necessary or very important.

阅读：

         If he lost the use of his legs, he wouldn't be able to continue working in the same way.

         New technologies allow for virtual meetings where people can meet through remote connections.

        When he first woke up in the hospital, it was several hours after the accident, and he wasn't sure where he was.

        The best place to build a shelter is in an area with the least amount of sunlight, like between sand dunes or in a trench.

         He can’t afford to buy new clothes for himself because he spends a lot on his girlfriend.

        Of course, when they got there, there was no wolf to be seen, and the boy, who was still in the tree, was laughing.