The present invention provides methods and compositions for sealing subterranean zones containing oil to prevent the uncontrolled flow of fluids into or from the zones. The sealing arrangement includes a seal surrounding the member beneath the support, the seal having a first sealing surface configured to be sealed against a cabinet, and a second sealing surface. The method further includes selecting an ad creative among the plurality of ad creatives based at least in part on the attention scores, and presenting the ad content with the selected ad creative as an ad impression to the user. After stored data of the memory cell 1 is reset to \u201c0\u201d, an analog current Iin proportional to the analog voltage Vin is shunted to the bit lines BL of the each memory block MB.