A supporting head is provided with binaural artificial ears. Desirably, the compositions include a stable emulsion including: at least one curable acrylate component; at least three different elastomeric polymers that are soluble andor partially soluble in the acrylate component; and optionally at least one elastomeric polymer that is not soluble in the acrylate component. After perforating the lids of ventilation holes 272, 273, 274 communicated with a detection container 450 and disposal containers 460 and 470 in an analysis disc 2, the analysis disc 2 is rotated to supply and carry a predetermined quantity of the sample. The conductive resin housing has an exposed portion where the inner layer of the conductive resin housing is exposed, at a position to which the conductive adhesive is applied.