我们生活中常吃的豆腐和玉米粥中营养物质主要来自( )①种皮 ②胚芽 ③子叶 ④胚乳A.③④B.①②C.①④D.②③
“I can’t believe it.These blooms have lasted so long this year,” my wife said. “I hadn’t really thought about it, but you are right.As much as I love lilacs (丁香),
地球上四季分明的地区是 A.热带地区 B.温带地区 C.寒带地区 D.亚热带地区
补写出下列名篇名句中的空缺部分。(任选3个小题) (1)子曰:“ ,思而不学则殆。”(《论语·为政》)— ,帘卷西风,人比黄
镁不但能在空气中燃烧,也能在二氧化碳气体中燃烧。下列说法错误的是A.燃烧一定要有氧气参加B.燃烧反应都属于氧化反应C.镁着火不能用二氧化
建设节约型社会人人有责,下列节约行为中可行的是A、直接用工厂排出的废水灌溉农田B、吃经高温蒸煮后的霉变大米C、将用剩的药品放回原试剂瓶D、
汽车的销售中经常出现“买涨不买落”的现象,这一现象的出现说明: A.价格下跌,购买一定增加 B.价格上涨,购买才会增加 C.消费行
The 1____ picked up the thermos and poured some hot water into the tea-cup and placed it on the small table in front of his 2____, who were a father and daughter, and put the lid on the cup with a cli