[课 下 作 业]
Ⅰ.单项填空
1．The ________ bodies ________ the world ________ mummies.
A．preserving；are known to；as
B．preserved；are known as；to
C．preserving；are known as；to
D．preserved；are known to；as
答案 D [the preserved bodies “被保存的尸体”；be known to... “为……所知”；be known as “以……著称”。句意：这些被保存下来的尸体就是世人所知道的木乃伊。]
2．I know that when he looks at his watch，it’s a ________ for us to start the attack.
A．sign B．expression C．meaning D．signal
答案 D [句意：我知道，当他看手表的时候就是要我们开始进攻的信号。signal “信号”，
