直线x-3y+a=0(a∈R,a为常数)的倾斜角是______.

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问题:

直线x-
3
y+a=0(a∈R,a为常数)的倾斜角是______.
考点:直线的倾斜角与斜率直线的方程
题型:填空题

女,4岁,生后半年开始出现便秘,需辅之泻药或开塞露排便。查体:消瘦,腹胀,左下腹可扪及质硬包块。钡灌肠检查发现直肠、乙状结肠远端狭窄,乙状结肠近端和降结肠明显扩张。

为明确诊断应考虑作何检查()

A.直肠黏膜病理活检

B.直肠黏膜Ache组织化学检查

C.肛门直肠测压

D.直肠肛管肌电图检查

E.以上都是

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It’s said that he’s looking for a new job, one ___ he can get more money to support his family.

A.when

B.where

C.that

D.Which

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触媒的生产能力与下面的()有关。

A、循环气体中的惰性气含量 

B、循环气体中的有效气含量 

C、触媒的活性 

D、触媒的操作温度

题型:填空题

The European online fashion business is fierce. Just ask backers of one-time highfliers. Like boo. com, the urban sportswear retailer that tanked last year, and dressmart, com, the struggling men’s wear specialist. Those once stellar online brands expanded too fast, spent much more than they earned, and then lost their investor support after Internet stocks began plummeting last April. The markets sent online fashion stores a tough message: come up with business models that generate revenues.
A few firms have shown that not all online fashion shops are Internet disasters. Copenhagen-based haburi, com, the online designer-label discount store, Sweden’s sportswear vendor Sportus and the Italian shirts store Marco Bracci are doing well in a very tough environment.
Haburi’s distinctive business model is an Internet version of the factory outlet where brand manufacturers sell directly to consumers at lower prices from huge out-of-town shopping malls. A concept used in the U. S. far more than in Europe, and Haburi wants to fill the gap. Michael Vad, Haburi’s CEO, says that Europe’s apparel factory outlet sector could yield $10 billion in sales annually.
According to Vad, national regulations that limit malls outside city centers have hampered the development of this sector. "For the consumer, there is the two-hour drive to the mall, and when you get there, you don’t know whether you will get the size or color you want," says Vad. By going online, Haburi aims to cut the retailer’s costs, save consumers the long drive, and deliver orders within two or five days. Haburi splits net revenue 50-50 with the brand manufacturers.
Apparel is difficult to sell online because people like to feel and touch the clothes they buy. For the online retailer, acquiring the items, inspecting them, cleaning and storing them can be expensive. "The cost of customer service in the apparel business is much higher than selling books or even furniture," says Matthew Nordan, a retail analyst at Forester Research’s Amsterdam office.
Unless linked to a major established operation, an online retailer needs a competitive edge. For example, Italian shirt-maker Marco Bracci sells expensive goods for high profits and has cornered a niche market. Dressmart, on the other hand, tried to do too much too soon. Originally it planned to sell only shirts and to make the original Swedish operation profitable before branching out. But within months it tried to go pan-European and sell everything including ties, shoes and sportswear, and to rent physical outlet at airports. Dressmart, on the verge of bankruptcy and searching for a backer, has now scaled back and operates only in Sweden.

What is the best title for the passage

A.Ups and Downs of Online Business

B.Online Business vs Traditional Business

C.Apparel Online Stores

D.The Future of Online Stores

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含铁小结常见于

A.阿米巴病的肝切面

B.血吸虫病的肺切面

C.血吸虫病的肝切面

D.血吸虫病的脾切面

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