下列关于细胞中有机物的说法,正确的是 A.含有元素C、H、O、N的物质是核酸、酶、果糖、脂肪 B.动物乳汁中的乳糖和植物细胞中的纤维素都属于多糖 C.淀粉、蛋白质、脂肪在氧化分解时都能释放出能量 D.核糖核酸是染色体的主要成分之一 答案:C完成句子,使改写后的句子完整,并与原句意思相符,注意每空只填一词。
1.She started dancing at the age of five.(改为同义句)
She started dancing ____________ she was five years old.
2.What happened to your computer ? (改为同义句)
____________ ____________
____________ ____________ your computer ?
3.My book is different from yours. (改为同义句)
My book is ____________ ____________
____________ ____________ yours.
4.You mustn’t eat lunch now. (改为祈使句)
____________ ____________ lunch now.
5.She often has supper after finishing her
homework . (就划线部分提问)
____________ ____________ she often ____________
supper ?