问题 单项选择题

金黄色葡萄球菌肺炎患儿在治疗过程中突然出现呼吸困难加重,经吸痰和给予氧气吸入后无明显缓解,应考虑可能是()

A.肺部炎症加重

B.并发脓气胸

C.高热所致

D.并发心力衰竭

E.呼吸性酸中毒

答案

参考答案:B

解析:金黄色葡萄球菌感染肺部后,使肺组织受累,可产生多发性坏死,坏死中心可形成小脓肿,若邻近胸膜的脓肿破裂则可形成脓胸或脓气胸,出现脓气胸的表现即为突然出现呼吸困难加重,经吸痰和给予氧气吸入后并不能缓解。

单项选择题
阅读理解

第四部分:阅读理解

阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

When you look at a map of the Caribbean, you will see a bunch of little islands surrounded by. Blue waters, which include places that aren't always household names like Montserrat and Anguilla.

While some of the names may not be familiar, the fact is that the Caribbean is a popular vacation region. Those little clots on the map often turn out to be island paradises. There are more than 7,000 islands, islets, and reefs in the area, many of which are lightly populated and stunningly beautiful.

The biggest challenge you might face in planning your trip is choosing where in the Caribbean to go. All of the nations feature excellent weather. Most feature beautiful beaches. You can enjoy the waters in most of the Caribbean nations and as is often the case with island nations, you will be welcomed warmly by the locals. Here are some resources to help you.

Unless you can walk on water or you cruise the Caribbean, the best way to visit is to fly. Some destinations have more frequent and cheaper flights than others. You should do some comparison shopping on flights to the Caribbean. And if you are planning on flying there during the Christmas holiday weeks it's important to book as early as possible because prices will just keep going up as they get closer.

The Caribbean offers a wide variety of accommodation options. Check out the Caribbean hotels that are available to get a better idea of the various options. If you are on a tight budget then, the Caribbean could be challenging, as there are only a few cheap hotels and hostels that might help you save some money.

Many people see the Caribbean from a cruise ship. There is no shortage of cruises that will take you through the region. Cruise and Vacation Travel Packages is the place to go to find the cruise or vacation package that is right for you.

56. The Caribbean is popular with tourists because ________.

A. the area has a small population             B. the area has a long history.

C. there are many beautiful islands there        D. tire area is very developed

57. The underlined word "they" in the fourth paragraph refers to _________.

A. prices of air tickets                       B. tourists to the Caribbean

C. flights to the Caribbean                  D. the Christmas holiday weeks

58. Which of the following statements is NOT true according to the passage?

A. The weather in all of the Caribbean nations is fine.

B. Most of the Caribbean hotels are cheap.

C. The local people of the Caribbean are very friendly.

D. It is hard to choose a destination in the Caribbean.