下列关于新中国成立意义的表述,表述正确的是[ ]
A.开辟了中国历史新纪元
B.中国进入了新民主主义革命时期
C.中国实现了现代化
D.中国进入社会主义初级阶段
答案:A
为改善办学条件,东海中学计划购买部分A品牌电脑和B品牌课桌.第一次,用9万元购买了A品牌电脑10台和B品牌课桌200张.第二次,用9万元购买了A品牌电脑12台和B品牌课桌120张.每台A品牌电脑与每张B品牌课桌的价格各是多少元?
选择下列问句的正确答语,将序号填入括号里。
1. What's he doing?[ ]
A. He is at home.
B. He eats dinner.
C. He is picking up leaves.
2. Is she collecting leaves?[ ]
A. Yes, he is.
B. No, she isn't.
C. No, she doesn't.
3. Is she writing a report?[ ]
A. No, she isn't. She's writing a letter.
B. Yes, I am.
C. No, he isn't.