皮皮学，免费搜题
登录
搜题
【单选题】
在昆明滇池周边新修建的环湖路上，安装了“风光互补”节能灯，如图所示，它“头顶”小风扇，“肩扛”太阳能电池板。关于节能灯的设计解释合理的是（　 　）
A.
小风扇是用来给太阳能电池板散热的
B.
太阳能电池板是将太阳能转化为电能
C.
小风扇是风力发电机，将电能转化为机械能
D.
蓄电池在夜晚放电时，将电能转化为化学能
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】幼儿乳牙因 薄, 松脆,易发生龋齿。 ( )
A.
牙本质;牙釉质
B.
牙骨质;牙釉质
C.
牙釉质;牙本质
D.
牙釉质;牙骨质
查看完整题目与答案
【单选题】I don't know if Mr. Wang ______ on a field trip. If he ______on a field trip tomorrow. [     ]
A.
goes; will go
B.
will go; goes
C.
will go; will go
D.
goes; goes
查看完整题目与答案
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip was a complete disappointment.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip has helped him meet many interesting people.
查看完整题目与答案
【单选题】幼儿乳牙因(),易发生龋齿
A.
牙本质较薄，牙釉质脆软
B.
牙本质较薄，牙釉质坚硬
C.
牙本质较厚，牙釉质坚硬
D.
牙本质较厚，牙釉质脆软
查看完整题目与答案
【单选题】项目经理的职责不包括()
A.
开发计划
B.
组织实现
C.
项目控制
D.
提供资金
查看完整题目与答案
【判断题】若某商品的需求价格弹性Ed =0.6，卖者提高价格肯定增加销售收入。
A.
正确
B.
错误
查看完整题目与答案
【单选题】幼儿乳牙因( ),易发生龋齿。
A.
牙釉质较薄，牙本质松脆
B.
牙本质较薄，牙釉质坚硬
C.
牙本质较厚，牙釉质坚硬
D.
牙本质较厚，牙釉质脆软
查看完整题目与答案
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip helped him meet many interesting people.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip was a complete disappointment.
查看完整题目与答案
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip was a complete disappointment.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip helped him meet many interesting people.
查看完整题目与答案
【单选题】--- The Greens have gone to Yangzhou for a trip, haven’t they ? ---____ , and they will return tomorrow afternoon.
A.
Yes, they have
B.
No, they haven’t
C.
Yes, they haven’t
D.
No, they have
查看完整题目与答案
相关题目：
【单选题】幼儿乳牙因 薄, 松脆,易发生龋齿。 ( )
A.
牙本质;牙釉质
B.
牙骨质;牙釉质
C.
牙釉质;牙本质
D.
牙釉质;牙骨质
查看完整题目与答案
【单选题】I don't know if Mr. Wang ______ on a field trip. If he ______on a field trip tomorrow. [     ]
A.
goes; will go
B.
will go; goes
C.
will go; will go
D.
goes; goes
查看完整题目与答案
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip was a complete disappointment.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip has helped him meet many interesting people.
查看完整题目与答案
【单选题】幼儿乳牙因(),易发生龋齿
A.
牙本质较薄，牙釉质脆软
B.
牙本质较薄，牙釉质坚硬
C.
牙本质较厚，牙釉质坚硬
D.
牙本质较厚，牙釉质脆软
查看完整题目与答案
【单选题】项目经理的职责不包括()
A.
开发计划
B.
组织实现
C.
项目控制
D.
提供资金
查看完整题目与答案
【判断题】若某商品的需求价格弹性Ed =0.6，卖者提高价格肯定增加销售收入。
A.
正确
B.
错误
查看完整题目与答案
【单选题】幼儿乳牙因( ),易发生龋齿。
A.
牙釉质较薄，牙本质松脆
B.
牙本质较薄，牙釉质坚硬
C.
牙本质较厚，牙釉质坚硬
D.
牙本质较厚，牙釉质脆软
查看完整题目与答案
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip helped him meet many interesting people.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip was a complete disappointment.
查看完整题目与答案
【单选题】What do we learn from the story?
A.
The trip didn't do any good to his health.
B.
The trip was a complete disappointment.
C.
The trip was enjoyable but not fruitful in terms of business.
D.
The trip helped him meet many interesting people.
查看完整题目与答案
【单选题】--- The Greens have gone to Yangzhou for a trip, haven’t they ? ---____ , and they will return tomorrow afternoon.
A.
Yes, they have
B.
No, they haven’t
C.
Yes, they haven’t
D.
No, they have
查看完整题目与答案