Complete the sentences.（根据提示补全单词，完成句子）

1. We often have lu ______ch in the ca______.

2. We play f ______ tb ______ll on the pl ______.

3. Look !  There are so many flowers in the g ______ n.

4. — Where is the. canteen? — It's on the f ______ t floor.

列出HVI大容量纤维测试仪测试的指标。