关于输尿管结石的描述正确的是（） A.肾区疼痛，有的无症状 B.肾绞痛，腰部阵发性疼

《招标投标法》规定，投标人不得以低于成本的报价竞标，这里“成本”指（）。

A.社会平均成本

B.投标企业的投标报价

C.投标企业的个别成本

D.招标人编制的标底

胃镜显示慢性浅表性胃炎有十二指肠液反流，经用制酸药物治疗效果不明显。选下列哪种药治疗较适宜()

A．呋喃唑酮

B．多潘立酮(吗丁啉)

C．De-Nol

D．普鲁本辛

E．硫糖铝

There are many festivals in Argentina during the year. Therefore, you can enjoy the different interesting festivals when traveling there. First of all, we should talk about the Tango(探戈舞) Festival in Argentina, which is held in the capital of this country — Buenos Aires, from February to March. You ought to know that Argentina is the home of tango, so Argentineans admire this dance very much. Even if you cannot dance perfectly, you should join the people and try to perform this dance.

The next festival in Argentina is Open Polo(马球) Tournament. You should go to Palermo to see this festival in Argentina. This festival is held every year and is the most important polo tournament in Argentina. This kind of sport is considered the most important in Argentina. Attending this festival in Argentina, you will be able to communicate with different people, admire the fascinating competition between the teams of different countries, such as Argentina, England, Australia, as well as the US. This festival in Argentina is usually held between November and December every year. So don’t miss the opportunity if you travel to Argentina at this time.

The other festival in Argentina is the Semana Musical Llao Llao. This is a festival of classical music. The festival was created in 1993 and is held at the Llao Llao Hotel, near Bariloche. The festival is held yearly in October. So if you admire this kind of music, you should travel to Argentina in October. There are also many carnivals in October. There are also many carnivals in Argentina in summer. Of course, it’s impossible to put everything about festivals in Argentina into just one article. We hope that you have found this article interesting and eye-catching.

小题1:.

What would be the best title for the passage?

A．Travel to Argentina

B．Entertainments in Argentina

C．Festivals in Argentina

D．A brief introduction to Argentina小题2:.

From the passage, we know that the Tango Festival   .

A．is organized by the government

B．is held in summer

C．welcomes everyone to take part in

D．holds parties for different dances小题3:.

Which of the following is a sport festival?

A．The Semana Musical Llao Llao.

B．Open Polo Tournament.

C．The Tango Festival.

D．Argentina Carnivals.小题4:.

If Tom wants to enjoy a classical music event in Argentina, he should visit   .

A．Buenos Aires in spring

B．Palermo in April

C．Bariloche in October

D．Palermo in winter

血友病A实验室检查中，错误的一项是（）

A.凝血时间延长

B.活化部分凝血活酶时间延长

C.出血时间延长

D.血小板计数正常

E.凝血酶原时间正常

在使用DTX功能的网络中，对于通话时的质量情况，测试人员应关注（）参数。

A.Rxlevel_sub

B.Rxqual_sub

C.Rxlevel_full

D.Rxqual_full