Don’t forget to bargain to get the _____________.
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The buildings have not changed much since _____________.
A majority of Shanghai houses were in the shikumen style, which blends _____________ and Chinese styles.
以下属于Linux系统的特点的是
A. 单用户操作系统
B. 可以移植性强
C. 源代码开放
D. 系统可靠性高
Linux中系统管理员的用户名是()
A. administrator
B. admin
C. systemmaster
D. root