【单选题】关Linux中的管道,下面哪些描述是不正确的?
B.
就是将一个命令的标准输出重定向为另一个一个命令的标准输入
【单选题】—I forgot to bring my English book. May I use yours? —_______. [ ]
【单选题】He forgot about ______ him to attend my wife's birthday party.
【简答题】目前有( )和FedEx服务商支持快递门到门服务。
【单选题】I met my old friend, Li Ming, but I forgot _____ him for his telephone number. [ ]
【简答题】下面关于Internet的E-Mail,说法错误的是( )。 A)电子邮件应用程序使用SMTP接收邮件、POP3发送邮件 B)电子邮件应用程序的主要功能是创建、发送、接收和管理邮件 C)电子邮件包括邮件和邮件体两部分 D)利用电子邮件传送多媒体信息
【单选题】Each hemoglobin can bind ______ oxygen molecules
【单选题】Last week I met my old friend Li Ming, but I forgot _____ him for his telephone number. [ ]
【单选题】If we _________ the earth, we must take action before it is too late.
【单选题】Staphylococcus aureus is a pathogenic bacterium that can infect a wide range of host species, including humans. S. aureus has a particular protein that binds with hemoglobin from the host organism. He...
A.
Each host transcribes and translates this gene differently.
B.
S. aureus develops a mutualistic relationship with each host species.
C.
Changes in amino acid sequence are unrelated to protein function.
D.
Each strain is best adapted to a specific host species.