题目

A. 根据汉语、英文释义或句意，写出句中所缺单词的正确形式。【1】Our parents told us that a good ____________ (开始)is half done.【2】My room is a little small , I can’t find enough ______(room) for my piano.【3】Missing the train today _________ （that is to say）waiting for tomorrow’s for him.【4】It’s reported that many animals are in danger. They need our ________ (保护).【5】Don’t worry. Our school ___________ free meals for poor students.2．“碧玉妆成一树高，万条垂下绿丝绦，不知细叶谁裁出，二月春风似剪刀．”万千枝条及其绿叶，都是由种子哪一部分结构发育而来的（　　）A．胚根B．胚芽C．子叶D．胚轴