问题 单项选择题 A1型题

关于细菌性肝脓肿的描述错误的是()

A.肝外伤时细菌直接感染

B.细菌沿胆道上行性感染

C.其他部位感染灶的细菌经血行感染至肝

D.脓肿内容物呈果酱样

E.能形成膈肌下脓肿

答案

参考答案:D

解析:细菌性肝脓肿是由逆行性感染、血源性感染或直接感染引起的化脓性炎症,常为多个,脓液为黄白色,除组织坏死液化外,脓肿内有大量中性粒细胞浸润。阿米巴性肝脓肿时,脓肿内容物呈果酱样。

阅读理解

阅读理解。

                                                     One Canada, Two Languages

     Canada is one of the few nations in the world to have two official languages: English and French. There are 10 provinces in the country but only one of these-Quebec is known as "French Canada". This is

because it was founded by French explorers while British adventurers discovered the rest.?

     Canada left the British empire (帝国) in 1867 to become an independent country, and English and

French have been recognized as the official languages ever since.?

     Most people speak English as their first language and the two national television networks broadcast

in English throughout the country. Apart from in Quebec and a few places on the east coast, French

television is very rare.?

     The same goes for traffic signs and menus. For example, outside of Quebec, there are only a few

places where you'll see traffic signs in French. In restaurants, it's almost impossible to find French on the

menu unless you are in the heartland (中心地带) of French Canada. However, all products sold in

Canada must, by law, have labels (标签) and instructions in both languages.?

     In Canada's English speaking provinces, official bilingualism (双语) means that students can choose

to complete a special French language course. Under this programme, they are taught most of their

subjects in French.?

     If a student begins the course in kindergarten (幼儿园) or Grade One, it is likely that all their lessons

will be in French. However, if they start at junior high school,25 per cent of the teaching will continue to

be in English.?

1. How many provinces are there in Canada?

A. Ten.

B. Nine.

C. Eleven.

D.Two.?

2. Which country controlled Canada before its independence?

A. France.

B. Britain.

C. America.

D. Germany.?

3. Which of the following sentences is right??

A. English is the only official language,though French is also spoken there.?

B. The two national television networks broadcast both in English and French.?

C. All products sold in Canada must,by law,have labels and instructions in both English and French.?

D. The lessons in kindergarten or Grade One are likely to be only in English.?

判断题