据报道，我国“蛟龙”号载人潜水器于2012年6月27日成功下潜至7 062米深度，再创世界纪录．下列反应都能产生氧气，其中最适宜在潜水器里供给氧气的反应是（　　）

____×4＜10                  7×____＜23

根据句意，用括号内所给单词的正确形式填空。（一空一词）

1.They are organizing the____  (thirty-nine) sports meeting of their school.

2.The house____ (it) is very beautiful, but the river near it is much polluted.

3.The boy's dad was ____ (complete ) shocked when he saw that his son was playing with fire.

4.The news and talk shows may not be very exciting, but we can expect ____  (learn) a lot from them.

5.My grandfather's sunny character has a great ____ (influent) on me in my life.