Ⅱ.补全信息
选择正确选项填入空白处，补全所给句子提供的信息
A．to preserve everything from our past
B．to build a better tomorrow
C．to control floods，produce electricity and supply water
D．to keep the right balance between
E．to prevent world cultural heritage sites from disappearing
F．to limit damage to the Egyptian buildings and prevent the loss
1．It is not possible ________ as we move towards the future.
2．It can be a big challenge ________ progress and the protection of cultural sites.
3．In the 1950s，the Egyptian government wanted to build a new dam ________ to more farmers in the area.
4．A committee was established ________ of cultural relics.
5．Countries should work together ________．
6．UNESCO runs a programme ________．
[答案] 1－6 ADCFBE
