【单选题】Though __ money, his parents managed to send him to university.
【多选题】从认知加工的角度来说,完整的认知过程包括
【判断题】( )千克的符号是kg,k为词头,g是基本单位。
【单选题】vsftpd启动的命令是
B.
systemctl vsftpd.service
C.
systemctl start vsftpd.service
D.
systemctl restart vsftpd.service
【单选题】The grocer asks you for more money______.
A.
though his store opens at late hours.
B.
though he buys a small number of products
C.
because he can't buy things cheaper
D.
because he appears to be pleasant