一、单项填空
1．Families discover that going to see relatives and friends at______Spring Festival comes at______high price.
A．不填；the B．the；a
C．不填 ；不填 D．the；the
解析：考查冠词的用法。句意：许多家庭都发现在春节期间走亲访友花费很大。第一个空“春节”是普通名词构成的专有名词用定冠词the；第二个空at a high price是固定词组“以相当高的价格，以高的代价”。
答案：B
2．______ is known to us all is ______Shanghai Expo is held very successfully.
A．It；that B．As；/
C．That；that D．What；that
