[填空题]By the middle of the 21st century, the vast majority of the world’s population______(将生活在城市而不是农村).

[单项选择]

The Old Gate

In the Middle Ages the vast majority of European cities had walls around them. This was partly for defensive reasons but another (51) was the need to keep out anyone (52) as undesirable, like people with contagious (53) The Old City of London gates were all demolished by the end of the 18th century. The last of London’s gates was (54) a century ago, but by a (55) of luck, it was never destroyed. This gate is, in actual (56) , not called a gate at all; its name is Temple Bar, and it marked the boundary (57) the Old City of London and Westminster. In 1878 the Council of London took the Bar down, numbered the stones and put the gate in (58) because its design was (57) it was expensive to maintain and it was blocking the (60) . The Temple Bar Trust was (61) in the 1970’s with the intention of returning the gate
A. reasons
B. grounds
C. cause
D. factor

[简答题]

[单项选择]The 21^st Century English Training Center is different from the other 3 schools in that ______.
A) its teaching quality is better C) its courses are more advanced
B) it is the nearest to the city center D) it requires an entrance examination


A. The 21^st Century English Training Center is different from the other 3 schools in that ______.
B. its teaching quality is better
C. it is the nearest to the city center
D. its courses are more advanced
E. it requires an entrance examination

[填空题]The average life expectancy in 21 st century will be______.