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【单选题】
在市场竞争过程中,先进入某一市场的企业相对进入的企业具有先入者优势(所谓在位优势)。一般来说,下哪项因素不属于老厂家相对于新进入者的在为优势?()A.
拥有熟练工人和管理人员
B.
产品差异优势
C.
原料渠道和销售网络优势
D.
产品生产和研发优势
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皮皮学刷刷变学霸
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【单选题】不稳定型心绞痛
【单选题】变异型心绞痛( )。
A.
冠状动脉粥样硬化狭窄＞75%
B.
冠状动脉痉挛
C.
冠状动脉内完全闭塞性血栓形成
D.
冠状动脉粥样硬化狭窄＜50%
E.
冠状动脉斑块破裂不完全性血栓形成
【简答题】客户 周某 于 201 4 年 7 月 1 号持我行信用卡刷卡消费 45 00 元, 7 月 7 号 刷卡消费 1 000 元。 8 月 27 号还款 300 元 (账单日为 每月的 9 号,手续费率 1% ,日息 0.5 ‰ ) 请问 7 月份账单的滞纳金为()元。
【单选题】Researchers find it difficult to make algae produce hydrogen efficiently because __________. 查看材料
A.
removing the sulfate slows down hydrogen production
B.
it is hard to create an airfree environment
C.
it is expensive to remove the sulfate from the environment
D.
the algae's cells work slowly if there is no oxygen in the air
【单选题】We can infer from the last two paragraphs that _________.
A.
public relations play an important role in the entertainment industry
B.
all practitioners in public relations are good at persuasion
C.
public relations are only popular in advanced countries
D.
public relations have not been heard of in developing countries
【单选题】自发性心绞痛( )。
A.
冠状动脉粥样硬化狭窄＞75%
B.
冠状动脉痉挛
C.
冠状动脉内完全闭塞性血栓形成
D.
冠状动脉粥样硬化狭窄＜50%
E.
冠状动脉斑块破裂不完全性血栓形成
【单选题】According to the passage, how might the fungus benefit from its association with algae?
A.
he algae help provide it with necessary moisture.
B.
It consumes nutrients produced by algae.
C.
It is made less visible because of the algae's green color.
D.
The algae provide structural support.
【判断题】Algae play an important role in wastewater treatment, so we should cultivate algae such as water hyacinth.
A.
正确
B.
错误
【简答题】Algae(水藻) are very plants. They grow in fresh water or salty water. Seaweed is algae that grow in salty water. Most seaweed is red or brown in color. The Japanese people use this plant from th...
【单选题】To which phylum of algae do desmids and mermaid's wineglass belong?
A.
green algae
B.
golden-brown algae
C.
dinoflagellates
D.
brown algae
E.
red algae
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【单选题】不稳定型心绞痛