Ⅰ.单词拼写
1.The trees send out new (嫩枝) in spring.
答案shoots
2.We should (回收利用) glass from old bottles.
答案recycle
3.You need a good sense of (平衡) to ride a bicycle.
答案balance
4.These conclusions must have some (基础) in reality.
答案foundation
5.The (运输) of goods by air is very expensive.
答案transport
6.Both students have made quite a few experiments on (电).
答案electricity
