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

问题:

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

考点:胸心外科学(医学高级)胸心外科综合练习胸心外科综合练习题库
题型:单项选择题

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.

题型:单项选择题

Think twice before you make a decision on this matter. It will make ______ to your life.

A.no difference

B.a difference

C.little difference

D.difference

题型:单项选择题

根据下列图表。回答下列问题。

在2000~2005年,下列统计指标增速最快的是()

A.装机容量

B.发电量

C.用电量

D.发电量占用电量的比重

题型:单项选择题

细菌侵入机体后干扰宿主的防御机制不包括下面的哪一点()

A.细菌的荚膜

B.细菌表面的蛋白

C.蛋白酶

D.细菌的凋亡

E.细胞内逃逸

题型:单项选择题

采用何种方法可以使尾桨改出涡环状态?

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