Unit 7
make suggestions 提建议
not...but 不是......而是
under attack 受到攻击
give in 投降；屈服；让步
in ruins 成为废墟；遭到严重破坏
give up 放弃；停止
bring...back to life 使......苏醒；使生动
with the help of 在......帮助下
come true 成为现实
change ones mind 改变主意
in pieces 成为碎片
pull down 拆倒
send up 发射
set up 建起
turn...into 把......变成
give out 捐出；献出
be in danger 处于危险境地
be worried about 对......担心
date from 追溯
be marked with 标记