【简答题】Proteases and lipases are used in cleaning animal hides, a necessary step in leather production.
【简答题】Proteases and lipases are used in cleaning animal hides, a necessary step in leather production.
【单选题】She prefers the sofa made of real leather although it costs more than that made of ______ leather.
【简答题】I want to buy a ______ wallet for him. A: small leather black B; black leather small C; small black leather
【单选题】一个学生需要查找“吴慰慈发表的论文”时,应该用的检索途径是()。
【单选题】设s1= "Good" ,s2="",s3=" Bye",则s1、s2和s3连接后的结果是( )。
【单选题】一个学生需要查找“吴慰慈发表的论文”时,应该用哪种检索途径?
【多选题】以下关于函数的使用那些是正确的?
A.
假设s = "Welcome",type(s) 是 String
C.
假设s是“Python”,s.upper的结果为:python
D.
假设s是“\ t \ t \ tWelcome \ n”,s.strip()是 : Welcome
E.
表达式“Good”+ 1 + 2 + 3计算结果为: Good123