Ⅰ.单词拼写
1．These flowers look like real ones，but in fact they are ________(人工的)flowers.
2．A child's ________(智力)develops rapidly between the ages of four and five.
3．In my opinion，computers have more ________(广泛的)uses than any other things in the world.
4．I haven't ________(计算，估算)the cost that we will spend in travelling.
