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【单选题】
区别心绞痛与心肌梗塞的疼痛,最主要的是A.
疼痛的性质
B.
疼痛的放射部位
C.
疼痛的持续时间及强度
D.
疼痛的部位
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皮皮学刷刷变学霸
举一反三
【单选题】The selling concept is typically practiced with ________.
A.
industrial products
B.
unsought goods
C.
specialty products
D.
convenience products
E.
essential goods
【多选题】下列对注射器容器的叙述，正确的有
A.
安瓿按其形状可分为有颈安瓿和粉末安瓿
B.
安瓿的洗涤一般采用思水法或加压喷射气水洗涤法
C.
洗净的安瓿应倒置在铝盘中，及时于120～1400C干燥
D.
用于无菌操作或低温灭菌的安瓿须在200℃以上千热灭菌45 min或180℃以上干热灭菌1．5 h
E.
安瓿的处理工序依次为切、圆口、灌水蒸煮、洗涤、干燥与灭菌
【单选题】The selling concept holds that ________.
A.
consumers will not buy enough of a firm's products unless the firm undertakes large-scale persuasion and promotion efforts
B.
a company's marketing decisions should consider consumers' wants, the company's requirements, consumers' long-run interests, and society's long-run interests
C.
consumers will only favor products that are available and highly affordable
D.
achieving organizational goals depends on knowing the needs and wants of target markets and delivering the desired satisfactions better than competitors do
E.
consumers will favor products that offer the most in quality, performance, and innovative features
【单选题】关于湿式旋风除尘器，下列说法错误的是
A.
立式旋风水膜除尘器向内壁喷淋的同时，也向气流喷射液雾，以提升除尘效率
B.
立式旋风水膜除尘器的除尘效率主要取决于气流入口速度和筒体高度
C.
液滴粒径会影响中心喷雾旋风洗涤器的除尘效率，一般采用100-200微米液滴粒径
D.
中心喷雾旋风洗涤器除尘过程中同时利用液滴和液膜作为捕尘体
【单选题】The selling concept is typically practiced ________.
A.
to balance consumers' wants, company's requirements, and the society's long-run interests
B.
with products that offer the most in terms of quality, performance, and innovative features
C.
when the company focuses on building long-term customer relationships
D.
with goods that buyers normally do not think of buying
E.
by customer-driven companies
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