题目

青蛙生殖和发育的特点是 A.雌雄同体、体外受精、变态发育   B.雌雄同体、体内受精、变态发育 C.雌雄异体、体外受精、变态发育   D.雌雄异体、体内受精、变态发育 答案：CI returned to the village where I grew up the day before yesterday. To my surprise， I saw a new village 【1】_____ I arrived there.I have been away 【2】____ about ten years. During these years， many 【3】 _____ have taken place. The greatest change is that there are many tall【4】 _____ in the village now. But in the past there weren’t any at all. Before I left the village， the villagers had to walk to the markets in nearby towns to go 【5】_____， but now they don’t have to. 【6】 _____ is a big supermarket in the village now. Many families have cars， so if they want to go to nearby towns， they can 【7】_____ their cars there. The streets in the village were not wide before，【8】_____ now they are much wider. On both【9】_____ of the streets， there are lots of green trees and beautiful flowers.They make the village look very beautiful. People today are also richer than before. They are very modern. 【10】_____ great changes these are! I’m very happy with them.