皮皮学,免费搜题
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【判断题】
可以通过JOBS命令查看序列号[num],要让后台的程序到前台来执行可以通过命令“fg[num]”;要让前台执行的程序暂时调到后台可以按Ctrl+Z快捷键;要结束后台的程序,可以执行“kill %[num]”命令。
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following statements is true about the cocktail party?
A.
Cocktail refers to an alcoholic drink consisting of a spirit or spirits mixed with other ingredients, such as fruit juice or cream.
B.
The cocktail party is usually held early in the afternoon.
C.
The cocktail party is a very formal social gathering.
D.
No food is served at a cocktail party.
【单选题】国家对严重污染水环境的落后工艺和设备实行( )
A.
限期淘汰制度
B.
控制使用制度
C.
加倍罚款
D.
改造后使用
【判断题】Cocktail is an American invention.()
A.
正确
B.
错误
【单选题】国家对严重污染水环境的落后工艺和设备实行()。
A.
限期淘汰制度
B.
控制使用制度
C.
加倍罚款D改造后使用
【单选题】A few people were killed in the fire, but _____ were saved. [     ]
A.
the most
B.
most of whom
C.
the majority of whom
D.
the majority
【单选题】Which of the following statements is true about the cocktail party?
A.
No food is served at a cocktail party.
B.
The cocktail party is usually held early in the afternoon.
C.
The cocktail party is a very formal social gathering.
D.
Cocktail refers to an alcoholic drink consisting of a spirit or spirits mixed with other ingredients, such as fruit juice or cream.
【单选题】The alarm signal for engine room catching fire is a blast of random bell followed by _____.
A.
two
B.
three knocks
C.
four knocks
D.
five knocks
【单选题】国家对严重污染水环境的落后工艺和设备实行()
A.
更新制度
B.
销毁制度
C.
以旧换新制度
D.
淘汰制度
【单选题】霉变谷物内主要致肝癌物质是:
A.
黄曲霉毒素B1
B.
亚硝胺类
C.
有机氯农药残留
D.
黄曲霉菌
E.
蓝绿藻藻类毒素
【单选题】______ is reported in the newspaper, the big fire was finally put out with very few injuries.
A.
What
B.
That
C.
As
D.
It
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