皮皮学，免费搜题
登录
搜题
【单选题】
关于删除查询，下列说法中正确的是（ ）。
A.
删除查询会删除整个表
B.
删除查询会删除整个数据库
C.
删除查询只删除所选择字段
D.
删除查询删除整个记录
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【多选题】环境质量评价常用的方法有( )
A.
定性评价方法
B.
定量评价方法
C.
数理统计方法
D.
环境指数方法
E.
等效污染负荷法
查看完整题目与答案
【多选题】温湿度控制与调节的方法很多,常用的主要有( )。
A.
人工通风
B.
密封
C.
自然通风
D.
吸潮
查看完整题目与答案
【单选题】According to the description in Paragraph 1, which of the following did the author NOT do at that time?
A.
Withstanding the coldness.
B.
Camping in the mountains.
C.
Getting up repeatedly at night.
D.
Reading Shakespeare in bed.
查看完整题目与答案
【判断题】服务是一种无形的产品,体现了不同品牌的区别,同时也可以用来交易、使客户感受的一个经济活动过程。
A.
正确
B.
错误
查看完整题目与答案
【简答题】通过变频手段调节三相异步电动机转速时,频率越高,电机转速( )。A. 4
查看完整题目与答案
【单选题】According to Paragraph 2, which of the following is NOT true of the perpetual studiers?
A.
They do not talk to anyone except to answer questions.
B.
They do well in school and maintain something of a social life.
C.
They study until very late at night, stopping only for a quick snack.
D.
Most of them never meet new people except roommates at the start of school.
查看完整题目与答案
【简答题】人类历史上第一个正式播出的广播电台是()年美国的()电台。
查看完整题目与答案
【单选题】__________ 查看材料
A.
alternative
B.
answer
C.
choice
D.
solution
查看完整题目与答案
【单选题】Which of the following, according to the author, should play the leading role in the solution of environmental problems?
A.
Legislation and government intervention.
B.
The industry's understanding and support.
C.
The efforts of environmental health professionals.
D.
The cooperation of ecologists, environmental activists and conservationists.
查看完整题目与答案
【单选题】Which of the following is TRUE according to Paragraph 3?（ ）
A.
Americans do not understand broken English．
B.
The author's mother was not respected sometimes．
C.
The author'mother had positive influence on her．
D.
Broken English always reflects imperfect thoughts．
查看完整题目与答案
相关题目：
【多选题】环境质量评价常用的方法有( )
A.
定性评价方法
B.
定量评价方法
C.
数理统计方法
D.
环境指数方法
E.
等效污染负荷法
查看完整题目与答案
【多选题】温湿度控制与调节的方法很多,常用的主要有( )。
A.
人工通风
B.
密封
C.
自然通风
D.
吸潮
查看完整题目与答案
【单选题】According to the description in Paragraph 1, which of the following did the author NOT do at that time?
A.
Withstanding the coldness.
B.
Camping in the mountains.
C.
Getting up repeatedly at night.
D.
Reading Shakespeare in bed.
查看完整题目与答案
【判断题】服务是一种无形的产品,体现了不同品牌的区别,同时也可以用来交易、使客户感受的一个经济活动过程。
A.
正确
B.
错误
查看完整题目与答案
【简答题】通过变频手段调节三相异步电动机转速时,频率越高,电机转速( )。A. 4
查看完整题目与答案
【单选题】According to Paragraph 2, which of the following is NOT true of the perpetual studiers?
A.
They do not talk to anyone except to answer questions.
B.
They do well in school and maintain something of a social life.
C.
They study until very late at night, stopping only for a quick snack.
D.
Most of them never meet new people except roommates at the start of school.
查看完整题目与答案
【简答题】人类历史上第一个正式播出的广播电台是()年美国的()电台。
查看完整题目与答案
【单选题】__________ 查看材料
A.
alternative
B.
answer
C.
choice
D.
solution
查看完整题目与答案
【单选题】Which of the following, according to the author, should play the leading role in the solution of environmental problems?
A.
Legislation and government intervention.
B.
The industry's understanding and support.
C.
The efforts of environmental health professionals.
D.
The cooperation of ecologists, environmental activists and conservationists.
查看完整题目与答案
【单选题】Which of the following is TRUE according to Paragraph 3?（ ）
A.
Americans do not understand broken English．
B.
The author's mother was not respected sometimes．
C.
The author'mother had positive influence on her．
D.
Broken English always reflects imperfect thoughts．
查看完整题目与答案