皮皮学，免费搜题
登录
搜题
【多选题】
结构数据模型的三个组成部分中,包括 __
A.
数据完整性约束
B.
数据结构
C.
数据操作
D.
数据加密
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
【单选题】At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.
A.
when
B.
after
C.
until
D.
before
查看完整题目与答案
【多选题】生产计划中的主要指标有()
A.
产值指标
B.
品种指标
C.
质量指标
D.
产量指标
查看完整题目与答案
【简答题】In all countries, employment in this activity never went beyond 1%.
查看完整题目与答案
【单选题】( )的工频电流通过人体时,人体尚可摆脱,称为摆脱电流。 A、0.1mA B、2mA C、4mA D、10mA
A.
1
B.
2
C.
3
D.
4
查看完整题目与答案
【多选题】主生产计划的主要指标有( )。
A.
产量指标
B.
销售额指标
C.
产值指标
D.
品种指标
查看完整题目与答案
【单选题】阅读材料，回答题。 We all know that it is possible for ordinary people to make their homes on the equator (赤道), although often they may feel uncomfortably hot there. Millions do it. But as for the NorthPole (北...
A.
feeling uncomfortably hot on the equator
B.
flying over the North Pole
C.
flying over the equator
D.
making homes on the equator
查看完整题目与答案
【单选题】In order to solve the problem of global warming, all countries should ______.
A.
replace all the harmful substances
B.
make progress in economy development
C.
share ideas and bear common responsibilities
D.
develop advanced technology to improve the situation
查看完整题目与答案
【多选题】压电式加速度传感器参数中有( )灵敏度( )灵敏度( )灵敏度。
A.
电压灵敏度
B.
加速度灵敏度
C.
横向灵敏度
D.
电荷灵敏度
查看完整题目与答案
【单选题】( )的工频电流通过人体时,就会有生命危险。 A、0.1mA B、1mA C、15mA D、50mA
A.
1
B.
2
C.
3
D.
4
查看完整题目与答案
【单选题】They do eye exercises twice a day , so ____of them ____glasses.
A.
few, put on
B.
few , wear
C.
a few , put on
D.
a few, wear
查看完整题目与答案
相关题目：
【单选题】At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.
A.
when
B.
after
C.
until
D.
before
查看完整题目与答案
【多选题】生产计划中的主要指标有()
A.
产值指标
B.
品种指标
C.
质量指标
D.
产量指标
查看完整题目与答案
【简答题】In all countries, employment in this activity never went beyond 1%.
查看完整题目与答案
【单选题】( )的工频电流通过人体时,人体尚可摆脱,称为摆脱电流。 A、0.1mA B、2mA C、4mA D、10mA
A.
1
B.
2
C.
3
D.
4
查看完整题目与答案
【多选题】主生产计划的主要指标有( )。
A.
产量指标
B.
销售额指标
C.
产值指标
D.
品种指标
查看完整题目与答案
【单选题】阅读材料，回答题。 We all know that it is possible for ordinary people to make their homes on the equator (赤道), although often they may feel uncomfortably hot there. Millions do it. But as for the NorthPole (北...
A.
feeling uncomfortably hot on the equator
B.
flying over the North Pole
C.
flying over the equator
D.
making homes on the equator
查看完整题目与答案
【单选题】In order to solve the problem of global warming, all countries should ______.
A.
replace all the harmful substances
B.
make progress in economy development
C.
share ideas and bear common responsibilities
D.
develop advanced technology to improve the situation
查看完整题目与答案
【多选题】压电式加速度传感器参数中有( )灵敏度( )灵敏度( )灵敏度。
A.
电压灵敏度
B.
加速度灵敏度
C.
横向灵敏度
D.
电荷灵敏度
查看完整题目与答案
【单选题】( )的工频电流通过人体时,就会有生命危险。 A、0.1mA B、1mA C、15mA D、50mA
A.
1
B.
2
C.
3
D.
4
查看完整题目与答案
【单选题】They do eye exercises twice a day , so ____of them ____glasses.
A.
few, put on
B.
few , wear
C.
a few , put on
D.
a few, wear
查看完整题目与答案