一个以投饵养殖肉食性鱼类为主的鱼塘，由于管理不当，藻类爆发，引起沉水植物死亡，随后大量浮游动物和鱼类死亡，导致水体发臭．下列相关叙述错误的是（ ）

请根据图完成下列题目：

1937年8月20日，蒋介石签令颁发国军作战指导计划，其“方略”第二条为“国军部队之运用，以达成‘持久战’为作战指导之基本主旨，各战区应本此主旨，酌定攻守计划，以完成其任务”。下面有关分析正确的是

      Mr Green is an Englishman. He teaches English well His English classes are very interesting. He likes us and we like him, too.
Mr Green has two children----Mike and Nancy. Mike is eight and his sister Nancy is five. Mike goes to school but Nancy doesn't. Mr Green likes to wear a T-shirt and a pair of jeans. Football is his favorite sport. After school we often have a basketball match. Sometimes Mr Green watches and joins us. He plays basketball just for us.

印度河是下列哪个国家的重要灌溉水源（    ）