椎动脉造影常规标准体位应选A．正位 B．水平侧位 C．正位+斜位 D．正位+水平侧位

下列词语中加点的字，每对读音都不相同的一组是 （    ） （3分）

A．懊丧/丧钟紫绡/口哨浸渍/渣滓陨落/殒身不恤

B．嗜好/鳍叶鹰隼/榫头白芨/吸取更加/更相为命

C．先妣/坍圮积攒/攒射床蓐/侮辱枕藉/杯盘狼藉

D．萌蘖/孽障挣揣/揣测谂知/熟稔强颜/强弩之末

在窗体上画一个名称为Command1的命令按钮，然后编写如下事件过程：
Private Sub Command1_Click ()
Dim a As Integer, b As Integer, c As Integer
a = 1: b = 2: c = 3
Print fun2 (c, b,

A．
End Sub
Private Function funl (x As Integer, y As Integer, z As Integer)
fun1 = 2 * x + y + 3 * z
End Function
Private Function fun2(x As Integer, y As Integer, z As Integer)
fun2 = fun1(z, x, y)+ x
End Function
程序运行后，单击命令按钮，则窗体上显示的内容是A) 7

B．14

C．17

D．30

Fire can help people in many ways. But it can be very dangerous. Fire can heat water, warm houses, give light and cook. But fire can burn things, too. It can burn trees, houses, animals or people. Sometimes big fire can burn forests.

Nobody knows for sure how people began to use fire. But there are many interesting stories about the first time a man or a woman started a fire. One story from Australia tells about a man very, very long time ago. He went up to the sun by a rope (绳子) and brought fire down.

Today people know how to make a fire with matches (火柴). Children sometimes like to play with them. But matches can be very dangerous. One match can burn a piece of paper, and then it might burn a house. A small fire can become a big fire very fast. Fire kills many people every year. So you must be careful with matches. You should also learn to put fires. Fires need oxygen (氧气). Without oxygen they will die. Cover a fire with water, sand or sometimes with your coat. This keeps the air away from a fire and kills it. Be careful with fire, and it will help you. Be careless with fire, and it will burn you.

49.How did people begin to use fire? _________.

A. Not everybody knows how people began to use fire

B. Nobody knows how to make a fire

C. It is an Australian who started a fire

D. We are not sure how people began to use fire

50.Children mustn’t play with matches because ________.

A. matches burn paper                B. it isn’t interesting

C. they can be dangerous             D. they can burn a house

51.When you are going to put out a fire, you ______,

A. must be careful                       B. should keep air away from it

C. must know it is dangerous         D. should cover it with water

下列结构类型中，加入氢氧化钙能产生沉淀的是（）

A.蛋白质

B.多糖

C.鞣质

D.皂苷

E.生物碱

为了加速项目，你做出个决策来快速跟进某个阶段，这个阶段现在由5个团队成员执行；另一个将在第四周开始由其他5个团队成员执行。下列哪个活动是你首先作的（）

A.确认所有后续阶段的退出标准被满足，确保沟通顺畅，因为此种情况沟通比以往复杂了

B.确认所有之前的阶段的进入标准被满足，通过计划和执行一个阶段关卡来评估技术能力

C.确认所有之前的阶段退出标准已经被满足，通过计划和执行一个阶段关卡来评估技术绩效

D.重组你的团队分配任务确保沟通顺畅，因为这种情形下沟通比以往复杂了