皮皮学，免费搜题
登录
搜题
【单选题】
请阅读下面材料:企业在几种报纸、杂志上做广告时,在广告下面附有一张表格或条子。请读者阅后剪下。分别寄回企业有关部门,企业从回收的表格中可以了解在哪种报纸杂志上刊登广告最为有效,为今后选择广告媒介和测定广告效果提出可掌资料。该材料反映的是什么收集方法?A.
直接观察法
B.
实际痕迹测量
C.
邮寄
D.
实验法
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】下列各句中,加点词语古今意义相同的一项是( )
A.
虽然,每至于族,吾见其难为 。
B.
依乎天理,批大郤,导大窾,因其固然。
C.
始臣之解牛之时,所见无非牛者。
D.
三年之后,未尝见全牛也。
【单选题】下列各句中,加点词语古今意义相同的一项是( )
A.
庖丁为文惠君解牛 /为之踌躇满志
B.
手之所触,肩之所倚 /始臣之解牛之时
C.
而刀刃若新发于硎 /提刀而立,为之四顾
D.
臣以神遇而不以目视 /以无厚入有间
【简答题】无源光网络PON逐渐成为FTTx的主要实现技术,包含A/BPON、( )、( )等
【简答题】____was a princess of Sidon, who was charmed by the white bull whom Zeus disguised himself as.
【简答题】US film star Liv Tyler was voted ________. Austrilian actress Cate Blanchett was voted ________. Moive star Angelina Jolie was voted ______. Princess Diana was placed ________. The woman was chosen fo...
【简答题】History tells us that the first licensed woman pilot in the United States was Harriet Quimby in 1911. History forgets to tell us that Katherine Wright, sister of the Wright brothers, had as much to do...
【简答题】在PON中,主要包括()、()、()以及码分复用多址技术。
【简答题】Youth is the freshness of the deep springs of life. 2. The narrator’s part is every bit as important as the part of a princess. 3. Jane felt bored and frustrated in her role as a homemaker and wanted ...
【简答题】What happened to Justin Bieber? Justin Bieber was chased on a Los Angeles Highway at speeds approaching 1) _______ by the paparazzi. What may cause Princess Diana’s death? It is reported that the papa...
相关题目：