What tips can help you to write a reasonable cause and effect essay?
A. Think about the relationship between events.
B. Explore causes and effects.
C. Identify your audience.
D. Gather supporting information.
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What are the widely-used Cause-and-effect analysis patterns?
A. single cause → single effect pattern
B. single cause → multiple effects pattern
C. multiple causes → single effect pattern
D. The causal chain pattern
陪伴·分享有几位同学作了发言?()
A. 4
B. 6
C. 7
D. 8
关于血培养标本的采集原则中,不正确的一项是( )
A. 随时采集
B. 采集量一般为5ml
C. 一般在使用抗生素前采集
D. 培养瓶内不可混入消毒剂和防腐剂
E. 严格无菌操作
防止血标本溶血的措施做法正确的是()
A. 事先用肝素钠湿润注射器
B. 血液注入标本瓶要振荡
C. 快速把血液注入标本瓶内
D. 后带泡沫的血液勿注入标本瓶
E. 注入标本瓶时不取下针头