1a 部分答案
c the Terracotta Army
a the Great Wall
d the Bird's Nest
b the Palace Museum
1b 部分答案
(1)√ (2)√ (5)√
1c 部分答案
<1>Peter <2>Australia <3>Two weeks
<4>the Palace Museum,the Great Wall, the Bird's Nest (in Beijing),the Terracotta Army (in Xi'an)
<5>Beijing Duck