Which of the following is true according to the passage?
A、Skyscrapers provide more usable space than other buildings.
B、The skyscrapers first appeared in the late1960's.
C、Where there are skyscrapers, television reception is poor.
D、The two World Trade Center towers are 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
The main purpose of the passage is to___________
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