皮皮学，免费搜题
登录
搜题
【简答题】
如图，某幼儿园为了加强安全管理，决定将园内的滑滑板的倾斜角由45º降为30º，已知原滑滑板AB的长为5米，点D、B、C在同一水平地面上． 小题1:改善后滑滑板会加长多少？(精确到0.01) 小题2:若滑滑板的正前方能有3米长的空地就能保证安全，原滑滑板的前方有6米长的空地，像这样改造是否可行？说明理由。 (参考数据： )
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
【简答题】2 What is the driver preview / prediction model?
查看完整题目与答案
【单选题】单选题:阿尔茨海默病患者最突出的功能障碍是
A.
肢体活动障碍
B.
认知障碍
C.
精神障碍
D.
行为障碍
E.
日常生活活动能力障碍
查看完整题目与答案
【单选题】. There are altogether eleven books on the shelf, _____ five are mine.
A.
on which        
C.
in which     C. of which          C. from which
查看完整题目与答案
【单选题】What kind of preview (Paragraph 1) did Sue Kirchofer get according to the passage?
A.
Non-family beneficiary would not be accepted by the insurance company.
B.
Her sexual partner would not be accepted by her mother.
C.
Her sexual partner would not be accepted by her company.
D.
Her sexual orientation would not be accepted by others.
查看完整题目与答案
【简答题】对系统性红斑狼疮的诊断最特异的检查项目是（ ）。
查看完整题目与答案
【单选题】患者，女，65岁。经常出现头晕、四肢麻木感，注意力不集中，自感记忆力下降半年，近2周突然加重。常半夜起床翻东西，怀疑家中被窃，易哭泣，对一些物品不能命名。既往高血压病史15年。头颅CT示：多发性脑梗死。最可能的诊断是 ( )
A.
阿尔茨海默病
B.
血管性痴呆
C.
轻度认知功能损害
D.
高血压合并精神障碍
E.
匹克病
查看完整题目与答案
【单选题】下列氨基酸经脱羧基作用能生成γ-氨基丁酸的是( )
A.
谷氨酸
B.
天冬氨酸
C.
苏氨酸
D.
色氨酸
E.
蛋氨酸
查看完整题目与答案
【单选题】There are altogether eleven books on the shelf, ______ five are mine. [     ]
A.
on which
B.
in which
C.
of which
D.
from which
查看完整题目与答案
【判断题】企业进行营运监控分析,会涉及发展能力、盈利能力、偿债能力等财务指标,一般不会涉及非财务指标。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Sue Kirchofer got a preview of what was to come when she tried to change the beneficiary on her life insurance policy at work from her mother to her partner in early 1994. She was told that wasn't an ...
A.
Non-family beneficiary would not be accepted by the insurance company.
B.
Her sexual partner would not be accepted by her mother.
C.
Her sexual partner would not be accepted by her company.
D.
Her sexual orientation would not be accepted by others.
查看完整题目与答案
相关题目：
【简答题】2 What is the driver preview / prediction model?
查看完整题目与答案
【单选题】单选题:阿尔茨海默病患者最突出的功能障碍是
A.
肢体活动障碍
B.
认知障碍
C.
精神障碍
D.
行为障碍
E.
日常生活活动能力障碍
查看完整题目与答案
【单选题】. There are altogether eleven books on the shelf, _____ five are mine.
A.
on which        
C.
in which     C. of which          C. from which
查看完整题目与答案
【单选题】What kind of preview (Paragraph 1) did Sue Kirchofer get according to the passage?
A.
Non-family beneficiary would not be accepted by the insurance company.
B.
Her sexual partner would not be accepted by her mother.
C.
Her sexual partner would not be accepted by her company.
D.
Her sexual orientation would not be accepted by others.
查看完整题目与答案
【简答题】对系统性红斑狼疮的诊断最特异的检查项目是（ ）。
查看完整题目与答案
【单选题】患者，女，65岁。经常出现头晕、四肢麻木感，注意力不集中，自感记忆力下降半年，近2周突然加重。常半夜起床翻东西，怀疑家中被窃，易哭泣，对一些物品不能命名。既往高血压病史15年。头颅CT示：多发性脑梗死。最可能的诊断是 ( )
A.
阿尔茨海默病
B.
血管性痴呆
C.
轻度认知功能损害
D.
高血压合并精神障碍
E.
匹克病
查看完整题目与答案
【单选题】下列氨基酸经脱羧基作用能生成γ-氨基丁酸的是( )
A.
谷氨酸
B.
天冬氨酸
C.
苏氨酸
D.
色氨酸
E.
蛋氨酸
查看完整题目与答案
【单选题】There are altogether eleven books on the shelf, ______ five are mine. [     ]
A.
on which
B.
in which
C.
of which
D.
from which
查看完整题目与答案
【判断题】企业进行营运监控分析,会涉及发展能力、盈利能力、偿债能力等财务指标,一般不会涉及非财务指标。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Sue Kirchofer got a preview of what was to come when she tried to change the beneficiary on her life insurance policy at work from her mother to her partner in early 1994. She was told that wasn't an ...
A.
Non-family beneficiary would not be accepted by the insurance company.
B.
Her sexual partner would not be accepted by her mother.
C.
Her sexual partner would not be accepted by her company.
D.
Her sexual orientation would not be accepted by others.
查看完整题目与答案