A、discuss the advantages and disadvantages of skyscrapers
B、compare skyscrapers with other modern structures
C、describe skyscrapers and their effect on the environment
D、illustrate various architectural designs of skyscrapers
21.Singapore is a small state in the southeast of Asia22.According to the constitution of Singapore, the president of the state is selected23.Compared with people in other Asian countries, the Singapore24.Several technical colleges, and a teachers college are part of25.Though small, Singapore has an industry of its own and canA.live a better lifeB.made up of more than 50 islandsC.Higher education instituteD.not by the Parliament, but by the peopleE.produce goods of various kindsF.have a big population
下面的短文有10处空白,每处空白后的括号内有一个词,请根据短文内容将其正确的形 式填入文中,以恢复文章原貌。Cell Phones:Hang Up or Keep Talking?Millions of people are using cell phones today. In many places it is actually considered41 (usual)not to use one. Theyfind that the phones are more than a means of____42____(communicate)—having a mobile phone shows that they are cool and____43___(connect).The____44____(explode)aroundtheworldinmobilephoneusemakesomehealthprofessionalworried.Some doctors are____45____(concern)thatin thefuture many people maysuffer health problems from the use of mobile phones. In England, there has been a serious debate about this issue.Mobile phone companies are worried about the negative____46____(public)ofsuchideas.Theysaythat there is no____47____(prove)that mobile phones are bad for your health.On the other hand, signs of change in the issues of the brain and head can be____48___(detect) with modern scanning equipment. What is it that makes mobile phones____49____(potential)harmful?The answer is radiation.As the discussion about their safety continues, it appears that it's best to use mobile phones less often. Use your regular phone if you want to talk for a long time.Use your mobile phone only whenyou really need it. Mobile phones can be very useful and convenient, especially in emergencies.Inthe future, mobile phones may have a____50____(warn)label that says they are bad for your health.Sofor now, it's wise not to use your mobile phone too often.