【判断题】带有检视窗的储液干燥器能发现制冷系统制冷剂量和系统工作是否正常。
【单选题】What did the author mean by' I am not alone' in paragraph 1?
A.
He and his family all didn’t know how to use the machine.
B.
His family supported his opinion.
C.
Many people faced the trouble as he did.
【单选题】您试着使用创建目录命令在当前目录下创建一个名为 mumdog/girldog/babydog 的目录层次结构,而系统显示了如下的错误信息: mkdir: cannot create directory `/home/dog/mumdog/girldog/babydog': No such file or directory 请问,在以下的命令中,您可以使用哪个命令来成功地创建这个目录层次结构?
A.
mkdir ~/mumdog/girldog/babydog
B.
mkdir -r ~/mumdog/girldog/babydog
C.
mkdir -p ~/mumdog/girldog/babydog
D.
mkdir hier ~/mumdog/girldog/babydog
【单选题】Jack had his house _______ last night and he and his family were left homeless.
【单选题】变通性、流畅性和独特性是( )的主要特点。
【单选题】吉尔福特认为,创造性思维的主要特点是( )。
【判断题】带检视窗的储液干燥器能发现制冷系统制冷剂量和系统工作是否正常。
【判断题】带检视窗的储液干燥器能发现制冷系统制冷剂量和系统工作是否正常。( )A. 对 B. 错