问题 单项选择题 A1型题

稳定性股骨颈骨折是()

A.头下骨折

B.经颈骨折

C.基底骨折

D.内收骨折

E.外展骨折

答案

参考答案:E

解析:股骨颈骨折按照正位X线片所示Pauwells角(即远端骨折线与两髂棘连线的夹角)的大小分为内收型和外展型,Pau-wells角大于50°为内收型,骨折端遭受的剪切力大,骨折接触面少,移位多且易再移位,属不稳定性骨折。Pau-wells角小于30°为外展型,骨折端剪切力小,骨折接触面大,不易再移位,属稳定性骨折,A、B、C项是按骨折位置的分型。

判断题
阅读理解

B This wireless transmitter allows you to listen to music from your iPod/MP3 player, on your home or car stereo --- without any wires.

It acts like a miniature radio station, transmitting your music via the FM frequency to the nearest radio.

Simply plug the transmitter into the headphone hole of your MP3 player, select a frequency on the transmitter and then set your radio to that same frequency.

Then sit back and enjoy your digital music in full stereo sound wherever you are.

It Can be used with iPods, MP3 players, portable CD players, cassettes players, games consoles(控制台)or even your laptop computer whenever you want to hear full stereo sound from your radio. Features include:

·LCD display with background lighting (shows time/date/ temperature)

·Full FM frequency range, so you can select the best performing frequency

·Choose from 2 power supplies: 2 AAA batteries or car charger(adaptor provided)

·4 memory channels for storing best performing FM frequencies

·Frequency response: 100Hz – 15000Hz

The unit is wireless so there are no disorganized cables.It is lightweight and easy to carry.

Adds a whole new part to your MP3 experience!

Takes 2 AAA batteries(not supplied).Click here to buy batteries for this product…

GIFT STATS: iPod/ MP3 Transmitter

Measures: 7.5 x 4.5cm

Packaging: Gift pack

We can deliver this item to the UK, Europe, and North America.

56. You may find the above advertisement __________.

A. in a newspaper          B. in a store window

C. in a website              D. on a company notice-board

57. What is iPod/MP3 Transmitter?

A. An MP3 player which allows you to enjoy music wherever you are.

B. A kind of equipment that allows you to enjoy music from your iPod/MP3 player.

C. A mini radio station transmitting your music via the FM frequency to the nearest radio.

D. A radio that receives music from your MP3 player.

58. From the advertisement above, we can learn that __________.

A. the product can be used with a lot of electronic equipment

B. the transmitter can only be powered by 2 AAA batteries

C. the unit has organized cables so it is light and easy to carry

D. this item can be delivered to any place around the world