下列选项中，甲的行为构成无因管理的是

When you fill in the application form, please use your_______ address so that we can contact you easily later.

某容器中装满了浓度为90%的酒精，倒出1升后用水装满，摇匀后又倒出1升，再用40%，则该容器的容积是

方红的身高是否高于陆小静 ?

(1). 方红比张蜒高。

(2). 张蜒比陆小静高。

从历史发展的角度看，美术班不亦乐乎理疗科乌烟瘴气民有制是不断演进和变化的，当今资本主义社会居主导地位的资本所有制形式是()

The _______ is nearly dead , so I can not start the car again.

She is already 16years old. But she _______as if she were still a little girl.

As a teacher, you should not _______ the students from asking questions in class.

设来自总体的简单随机样本，记则下列结论中不正确的是（）.

下列国家或地区中，属于中华法系的是