未知题型 中心静脉压监测时，疑有管腔堵塞时不能强行冲注，只能拔除（）

单项选择题 China"s Company A intends to make a selling offer for 1,000 pieces of men"s shirts, 100% cotton, with 5% commission included, under CIF Los Angeles. The shirts will be purchased from a domestic supplier at CNY 76.00 per set (included 13% VAT). Tax will be rebated at 13% for export. The shirts are to be purchased with loan from bank for 60 days at the annual rate of 5%. The expected expense for domestic transport, inspection, custom clearance, port affairs, public relations are CNY 1,200, CNY 200, CNY 100, CNY 1,200, and CNY 1,000 respectively. Bank charges at 0.5% of the involved amount in international settlement. Ocean Freight and insurance premium for each piece are USD 1.45 and USD 0.6 respectively. The expected profit on sales is 10%. The exchage rate is CNY 7.12 for each US dollar. (1) Please calculate the price for Company A. (2) Please write down the unit price in English.

未知题型 测量中心静脉压过程中，应观察有无出血、血肿、气胸、血管损伤等（）