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【简答题】
已知数据x 1 ，x 2 ，x 3 ，x 4 ，x 5 的平均数为a，则数据4x 1 ，4x 2 ，4x 3 ，4x 4 ，4x 5 的平均数为______；4x 1 -2，4x 2 -2，4x 3 -2，4x 4 -2，4x 5 -2的平均数为______．
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【单选题】Sir, you ______ be sitting in this waiting room. It is for women and children only.
A.
oughtn’t
B.
shouldn’t
C.
won’t
D.
needn’t
查看完整题目与答案
【单选题】Guest room attendants are part of the __________ department.
A.
General Accounting
B.
Human Resource
C.
Catering
D.
Housekeeping
查看完整题目与答案
【判断题】When room attendants clean the room, he/ she can use master keys to open the door.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Son portable s'est éteint _______ avoir rechargé la batterie.
A.
faute d'
B.
pour
C.
par manque d'
D.
à force de
查看完整题目与答案
【单选题】She is a quiet girl. She ______ listen to records, alone in her room whenever she is free. [     ]
A.
should
B.
shall
C.
can
D.
will
查看完整题目与答案
【单选题】If the “DO NOT DISTURB” sign is on the door of an occupied room, does that mean the room attendants do not need to clean the room on that day ?
A.
YES
B.
NO
查看完整题目与答案
【单选题】盐酸羟胺肟化法测定羰基物时,终点指示剂应选( )。
A.
中性红
B.
溴酚蓝
C.
酚酞
D.
亚甲基蓝
查看完整题目与答案
【多选题】What is room attendants’ work?
A.
Dusting should be done daily
B.
Remove used towels and replace them with fresh ones properly
C.
Be sure the guest does not run out of soap or toilet tissue
D.
Ashtrays and wastebaskets must be properly emptied
查看完整题目与答案
【单选题】Housekeeping employee responsible for assisting room attendants with their work.
A.
Minutes per rooms
B.
Room status
C.
Houseperson
D.
Lost property
查看完整题目与答案
【单选题】When reentering an engine room that has been flooded with CO2, the investigating team should initially_____.
A.
leave the access door partially open
B.
enter from the lowest level
C.
enter from the highest level
D.
attempt to operate machinery
查看完整题目与答案
相关题目：
【单选题】Sir, you ______ be sitting in this waiting room. It is for women and children only.
A.
oughtn’t
B.
shouldn’t
C.
won’t
D.
needn’t
查看完整题目与答案
【单选题】Guest room attendants are part of the __________ department.
A.
General Accounting
B.
Human Resource
C.
Catering
D.
Housekeeping
查看完整题目与答案
【判断题】When room attendants clean the room, he/ she can use master keys to open the door.
A.
正确
B.
错误
查看完整题目与答案
【单选题】Son portable s'est éteint _______ avoir rechargé la batterie.
A.
faute d'
B.
pour
C.
par manque d'
D.
à force de
查看完整题目与答案
【单选题】She is a quiet girl. She ______ listen to records, alone in her room whenever she is free. [     ]
A.
should
B.
shall
C.
can
D.
will
查看完整题目与答案
【单选题】If the “DO NOT DISTURB” sign is on the door of an occupied room, does that mean the room attendants do not need to clean the room on that day ?
A.
YES
B.
NO
查看完整题目与答案
【单选题】盐酸羟胺肟化法测定羰基物时,终点指示剂应选( )。
A.
中性红
B.
溴酚蓝
C.
酚酞
D.
亚甲基蓝
查看完整题目与答案
【多选题】What is room attendants’ work?
A.
Dusting should be done daily
B.
Remove used towels and replace them with fresh ones properly
C.
Be sure the guest does not run out of soap or toilet tissue
D.
Ashtrays and wastebaskets must be properly emptied
查看完整题目与答案
【单选题】Housekeeping employee responsible for assisting room attendants with their work.
A.
Minutes per rooms
B.
Room status
C.
Houseperson
D.
Lost property
查看完整题目与答案
【单选题】When reentering an engine room that has been flooded with CO2, the investigating team should initially_____.
A.
leave the access door partially open
B.
enter from the lowest level
C.
enter from the highest level
D.
attempt to operate machinery
查看完整题目与答案