Words in useUnit 11、Given the chance to show his ability,he regainedconfidence(n.信任信赖，自信心) andbegan to succeed in school.2、It is so difficult to explore(v.勘探，探测)the bottom of the ocean because some partsare very deep.3、It was about 30 seconds before Alexemerged(v.出现，为···所公认) from the water;wewere quite scared.4、We often assume(v.认为，假定，假设) that when other people do the same things aswe do, they do them for the same reasons; but this assumption is not always reasonable.5、There is widespread concern that the rising unemployment maypose(v.摆姿势，导致)a threat to social stability.6、After a(n) comprehensive(a.综合的，多方面的) physical exam, my doctor said I wasin goodcondition except that my blood pressure was a little high.7、It is well known that China is a country with rich naturalresources(n.资源) and a verybig population.8、Some people believe that the earth can yield(v.产生,出产,屈从,让步)enough food tosupport at least twice its present population.9、Sam inherited(v.沿袭，秉承，继承) the gift of imagination from his family, but helacked the driving power to take action.10、A bee that has found honey is able totransmit(v.传送，传递，传播) to other bees theinformation they need in order to collect the honey.Unit21、He has a special feeling for the brilliant birds, and each spring heeagerly awaits（等待） their return.2、Thanks to the efficiency（效率，效能）of air transport, everyone is free to go anywhereat any time.3、 John believes that the donation（捐助） of food to the hungry is more helpful thangiving money.4、 Mary was a careful speaker; every word seemed to have beenpolished（擦光，擦亮，修改，上润光剂）before it was allowed to escape through her lips.5、When she heard it was snowing in the...
