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【单选题】
要从数据库中删除一个表，应该使用的SQL语句是______。
A.
ALTER TABLE
B.
KILL TABLE
C.
DELEETE TABLE
D.
DROP TABLE
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参考答案：
举一反三
【单选题】Northland, Southland, Eastland and Westland are four countries of Asia. The following economic statistics have been produced for the year 2007. Country ...
A.
Northland
B.
Southland
C.
Eastland
D.
Westland
查看完整题目与答案
【单选题】I said to Jenny, 'Are you getting on well with him now?' I asked Jenny _________ getting on well with him _________. [     ]
A.
whether was she; then
B.
if she was; then
C.
how was I; now
D.
how I was; now
查看完整题目与答案
【单选题】当按压EMER电门时，所有乘务员面版上将显示()
A.
EMER CALL
B.
EMERGENCY INCOMING
C.
EMERGENCY CALL
查看完整题目与答案
【单选题】一个玩具制造商在全国的5个地区生产玩具，原材料（主要是塑料粉桶）将从一个新的中心仓库运出，而该仓库的地点还有待确定。运至各地的原材料数量相同。已建立一个坐标系统，各地的坐标位置如下所示，则中心仓库的坐标位置为地点（X,Y）地点（X,Y）A3,7D4,1B8,2E6,4C4,6
A.
（4，5）
B.
（5，4）
C.
（5，6）
D.
（4，6）
查看完整题目与答案
【单选题】EMER
A.
撤离
B.
紧急情况
查看完整题目与答案
【单选题】Which statement is NOT correct?
A.
672 Chinese tourist agencies have been approved to organize tourist groups to Russia.
B.
One million Chinese are expected to visit Russia this year.
C.
China nationals in an approved tour group, will be visa-free to entry to Russia.
D.
The number of tourists between China and Russia increased by 30% last year.
查看完整题目与答案
【简答题】In the morning, Mr. Martin comes into his garden. He sees too much snow in the garden. Mr Martin wants to take his car out, so he asks a cleaner to clean the road(路) from his garage(车库) to the gate. H...
查看完整题目与答案
【单选题】EMER GCU
A.
emergence generator control units
B.
emergency generator contactor units
C.
emergency generator control units
D.
emergence generator control unit
查看完整题目与答案
【单选题】以下不属于局域网(LAN)、广域网(WAN)的网际互连类型是(48)。
A.
LAN-WAN
B.
LAN-LAN
C.
IAN-WAN-LAN
D.
WAN-LAN-WAN
查看完整题目与答案
【简答题】完成句子。 1. 昨天晚上他们陪着万先生去散步了。 They ________ ________ ________ ________ with Mr. Wan last night. 2. 在我们学校大部分男孩喜欢踢足球。 ________ ________ in our school ________ ________ soccer.
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相关题目：
【单选题】Northland, Southland, Eastland and Westland are four countries of Asia. The following economic statistics have been produced for the year 2007. Country ...
A.
Northland
B.
Southland
C.
Eastland
D.
Westland
查看完整题目与答案
【单选题】I said to Jenny, 'Are you getting on well with him now?' I asked Jenny _________ getting on well with him _________. [     ]
A.
whether was she; then
B.
if she was; then
C.
how was I; now
D.
how I was; now
查看完整题目与答案
【单选题】当按压EMER电门时，所有乘务员面版上将显示()
A.
EMER CALL
B.
EMERGENCY INCOMING
C.
EMERGENCY CALL
查看完整题目与答案
【单选题】一个玩具制造商在全国的5个地区生产玩具，原材料（主要是塑料粉桶）将从一个新的中心仓库运出，而该仓库的地点还有待确定。运至各地的原材料数量相同。已建立一个坐标系统，各地的坐标位置如下所示，则中心仓库的坐标位置为地点（X,Y）地点（X,Y）A3,7D4,1B8,2E6,4C4,6
A.
（4，5）
B.
（5，4）
C.
（5，6）
D.
（4，6）
查看完整题目与答案
【单选题】EMER
A.
撤离
B.
紧急情况
查看完整题目与答案
【单选题】Which statement is NOT correct?
A.
672 Chinese tourist agencies have been approved to organize tourist groups to Russia.
B.
One million Chinese are expected to visit Russia this year.
C.
China nationals in an approved tour group, will be visa-free to entry to Russia.
D.
The number of tourists between China and Russia increased by 30% last year.
查看完整题目与答案
【简答题】In the morning, Mr. Martin comes into his garden. He sees too much snow in the garden. Mr Martin wants to take his car out, so he asks a cleaner to clean the road(路) from his garage(车库) to the gate. H...
查看完整题目与答案
【单选题】EMER GCU
A.
emergence generator control units
B.
emergency generator contactor units
C.
emergency generator control units
D.
emergence generator control unit
查看完整题目与答案
【单选题】以下不属于局域网(LAN)、广域网(WAN)的网际互连类型是(48)。
A.
LAN-WAN
B.
LAN-LAN
C.
IAN-WAN-LAN
D.
WAN-LAN-WAN
查看完整题目与答案
【简答题】完成句子。 1. 昨天晚上他们陪着万先生去散步了。 They ________ ________ ________ ________ with Mr. Wan last night. 2. 在我们学校大部分男孩喜欢踢足球。 ________ ________ in our school ________ ________ soccer.
查看完整题目与答案
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