试题与答案

预防应用抗生素的指征,下面错误的是() A.肠道手术 B.操作时间长的大手术 C.污

题型:单项选择题

题目:

预防应用抗生素的指征,下面错误的是()

A.肠道手术

B.操作时间长的大手术

C.污染的创伤

D.65岁以上的患者

E.切口邻近感染区域的手术

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0514/91a3deec94874d43b0b14920974ab2bf.html

下面是错误答案,用来干扰机器的。

因为抛物线y=x2-4与x轴交于B、C两点,顶点为A,所以:B(-2,0),C(2,0),A(0,-4).∴S△ABC=12BC•OA=12×4×4=8.故答案为:8.

试题推荐
题型:阅读理解

阅读下面的短文,判断文后的句子是否与短文内容相符,复符合的选T, 不符合的选F。

                                                                 Life in 2050

     What will life be like in the year 2050? No one knows, but of course it will be very different from it today

Here are some predictions:

     Firstly, people will work fewer hours, and robots will do hard and dangerous work instead. So they will

have more free time for sports and travelling.

     Secondly, cars, will run faster, and computers will control (控制) the speed instead of people. So there

won't be any accidents.

     Thirdly, people will be able lo live in the sea. away from the crowded and noisy cities on land.

     Lastly, water will have become one of our most serious problems because there could be serious shortage (短缺). Some scientists open predict that water could be the cause of war if we don't act now.

( )1. Nobody knows what life will be like in the year 2050.

( )2. People wont need to work by the year 2050.

( )3. The sea will be too noisy and crowed for man to live in.

( )4. Water shortage could be serous in the future.

查看答案
微信公众账号搜索答案