A.相當(dāng)多問(wèn)題沒(méi)有填寫(xiě)答案B.在截止日期之后回收的問(wèn)卷C.一頁(yè)或多頁(yè)缺失D.開(kāi)放式問(wèn)題沒(méi)有回答
A.每個(gè)圖一定要有號(hào)碼和標(biāo)題B.一般要說(shuō)明數(shù)據(jù)的來(lái)源C.圖形要清楚簡(jiǎn)明D.圖形一定要用顏色來(lái)突出重點(diǎn)
A.異質(zhì)性B.同質(zhì)性C.異質(zhì)性程度D.同質(zhì)性程度