皮皮学，免费搜题
登录
搜题
【多选题】
第一部《中华人民共和国宪法》A.
规定了国家的性质和根本政治制度
B.
总结了社会主义改造完成的经验
C.
体现了人民民主原则和社会主义原则
D.
规定了人民的权利和义务
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】字符串中提供了一系列的方法帮助我们更好的使用字符串,请举例
【单选题】John said that he ______ London twice.
A.
have been to
B.
have gone to
C.
had gone to
D.
had been to
【单选题】对正弦求三阶导数的表达式是:
A.
N[Sin[x], {x, 3}
B.
D[Sin[x], {x, 3}
C.
D[sin[x], {x, 3}
D.
N[sin[x], {x, 3}
【简答题】按照生产安全事故等级划分,将安全生产事故分为四个等级,分别是( )、( )、( )、( )。
【单选题】-He must have gone by bus. -No, he ____by bus
A.
mustn't go
B.
mustn't have gone
C.
can 't go
D.
can't have gone
【单选题】— Where's your father? — He ______ Shanghai. He'll be back next week. [ ]
A.
has gone to
B.
have gone to
C.
has been to
D.
have been to
【单选题】He is not in the office. He must have gone to have classes, ______ ?
A.
didn't he
B.
doesn't he
C.
mustn't he
D.
hasn't he
相关题目：