皮皮学，免费搜题
登录
搜题
【单选题】
在物体的进化路径中,()是结构进化的最高级别。A.
液体
B.
场
C.
气体
D.
多铰链
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】"It started with casual Fridays and got out of hand," says June Webb, a fashion consultant in Alexandria. (Para. 4) Q: What does June Webb mean in his quotation?
【单选题】下列关于SQL对表的定义的说法中，正确的选项是( )。
A.
利用ALTER TABLE来定义一个新的数据表结构
B.
SQL的表定义语句定义自由表的域完整性、字段有效性规则等
C.
SQL只能对数据库表实现其完整性、有效性规则等信息的设置
D.
SQL的表定义语句只能定义表中的候选索引、惟一索引和普通索引，不能定义主索引
【单选题】What does the woman say she will hand out?
A.
An outline
B.
A handbook
C.
A contract
D.
A memorandum
【单选题】What does the author mean by saying “ the boy who has the genius ... try his hand at the broom ” (Line 6-8, Paragraph 1)?
A.
A promising young man will do less important work when needed.
B.
A wise starter will do whatever necessary so as to keep his position.
C.
Anyone who wants to be successful should take some trivial work first.
D.
The newest comers ready to sweep out the office will be successful.
【简答题】简述企业资金运动中各种财产关系的性质。
相关题目：