【单选题】The library of congress in Washington, D.C. which 【C1】______ the largest collection of books in the world, is fighting a battle against paper deterioration. The 【C2】______ of the old books, often yell...
【简答题】As a large (1)__________________ to promote the world culture essence, the Window of the World in Shenzhen city has collected the essence of (2) _______________ for thousands of years all over the wor...
【单选题】The library of congress in Washington, D.C., which【C1】______ the largest collection of books in the world, is fighting a battle against paper deterioration. The【C2】______ of the old books, often yello...
【简答题】Directions : In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the secon...