A. teachings B. pressures C. layoffs D. cuttings
A. 静脉补液 B. 氧气吸人 C. 注射强心剂 D. 静脉滴注氨茶碱 E. 静脉滴注糖皮质激素
A. drag on B. last out C. insist on D. run up
A. fabricate B. yield C. manufacture D. produce
A. regarded B. appointed C. separated D. categorized