用PubMed检索Smith J在《Cell》上发表的文献的检索式是 ( ) A: Smith J[TA] AND Cell[AU] B: Smith J[TI] OR Cell[AU] C: Smith J[AU] OR Cell[TA] D: Smith J[AU] AND Cell[TA] E: Smith J[AU] AND Cell[TI]

OVID-Medline数据库中,下列检索表达式正确的是() A: English.la. B: gene.ab. C: cell.ti. D: Chinese[la]

构成胃黏膜上皮的细胞是<br/>() A: chief<br/>cell(zymogenic cell) B: parietal cell(oxyntic cell) C: mucous<br/>neck cell D: surface<br/>mucous cell E: Paneth<br/>cell

Which cell is the most abundant cell in the epidermis? A: Merkel cell B: Keratinocyte C: Langerhans cell D: Melanocyte

降钙素是由下列哪种细胞分泌： A: Parafollicular cell B: follicular epithelial cell C: chief cell D: acidophilic cell E: chromaffin cell

Which<br/>of the following cell is not labile cell () A: urothelial<br/>cell B: epidermis C: Lymphohematopoietic<br/>cell D: hepatocyte E: respiratory<br/>epithelial cell

Islet can be divided into ( ) cells by staining. A: Islet A cell B: Islet B cell C: Islet C cell D: Islet D cell E: Islet PP cell

Which cell is characterized by their phagocytic abilities () A: Fibroblast B: Mast cell C: Macrophage D: Plasma cell E: Adipose cell

The cell with the function of phagocytosis and antigen presenting is A: macrophage B: plasma cell C: fibrocyte D: fat cell E: mast cell

【单选题】检索“唐宋诗歌”的有关信息,以下正确的检索式是____ A. (TI=唐 or TI=宋) and TI=诗歌 B. TI=唐 and TI=宋 and TI=诗歌 C. TI=唐 and TI=宋 or TI=诗歌 D. TI=唐 or TI=宋 or TI=诗歌