“种瓜得瓜，种豆得豆。”是因为亲代传给子代的是   (     )

    John usually goes to school by bus. He leaves (离开)his house at seven and gets to school at about seven twenty. His school is on the hill.

    From Monday to Friday John usually has four classes every day. He likes English. He wants to be an English teacher. He hopes he will go to the USA to study English one day. On Sundays, he often goes to the library with his friends, but sometimes they go to see movies.

下列选项中，哪一项不属于两栖动物的基本的特征（    ）

在黄海战役中牺牲的民族英雄是____ ；____ 揭开了维新变法运动的序幕。