皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【简答题】
(5分)已知电极材料:铁、铜、银、石墨、锌、铝;电解质溶液:CuCl 溶液、Fe (SO ) 溶液、盐酸。按要求回答下列问题:若电极材料选铜和石墨,电解质溶液选硫酸铁溶液,外加导线,能否构成原电池? (填“能”或“不能”)。若能,请写出电极反应式:负极 ,正极 。若不能,请说明原因 。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】At what time does the earliest train to Shanghai leave?
A.
At 8:15.
B.
At 8:30.
C.
At 9:15.
【单选题】What does the man want to major in?
A.
History.
B.
Physics.
C.
Economy.
【单选题】What does Professor Taylor suggest?
A.
Study the syllabus carefully.
B.
Listen to the lectures attentively.
C.
Record the lectures and listen to them after class.
D.
Do more assignments.
【简答题】At what time does the office open? [A]7:45. [B]8:15. [C]8:00.
【简答题】简述子宫的位置、体位及固定装置。 位置:子宫位于盆腔内,膀胱与直肠之间。其下端突入阴道,两侧连有输卵管和子宫阔韧带。 体位:子宫呈前倾前屈位,当人体直立时____,子宫体几乎与地面平行。 固定装置:子宫借韧带、阴道、尿生殖膈和盆底肌等保持其正常位置。 固定子宫的韧带有子宫阔韧带、子宫圆韧带、子宫主韧带和骶子宫韧带等。
【简答题】简述子宫的位置与固定装置。
【单选题】What does "atten to" mean?
A.
出席
B.
调节
C.
关怀
D.
输入
【单选题】What does the woman advise the man to do?
A.
Put all his complaints in writing.
B.
Wait and see what happens next.
C.
Learn to say no when necessary.
D.
Talk to his boss in person first.
【简答题】What does it mean to be a singer/songwriter?
【简答题】空气流量计的主空气道与旁通气道之间用一活动板隔开。A. 叶片式
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题