阿米巴肝脓肿的感染途径主要是阿米巴原虫经A.胆道进入肝脏 B.肝静脉进入肝脏 C.肝

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问题:

阿米巴肝脓肿的感染途径主要是阿米巴原虫经

A.胆道进入肝脏

B.肝静脉进入肝脏

C.肝动脉进入肝脏

D.结肠溃疡穿入门静脉所属分支进入肝脏

E.淋巴系统进入肝脏

考点:卫生资格考试(中初级)普外科基础知识普外科主治医师专业实践能力7
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分组教学是为了克服班级授课制的弊端而提出来的,因此它比班级授课制优越。

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与肿瘤发生有关的因素为()

A.煤烟垢 

B.植物毒素 

C.电离辐射 

D.EB病毒 

E.艾滋病

题型:单项选择题

“精密度”的含义已完全包括了“精确度”的含义,因此可以用“精密度”代替“精确度”。

题型:单项选择题

蝌蚪生长到一定程度开始变态以适应陆栖生活,其外观上出现成对的附肢,尾部逐渐萎缩最后消失(褪尾现象)。正常情况下,从孵化出蝌蚪到形成成体幼蛙,大约需要3个月左右时间。为探索甲状腺激素对动物生长发育的影响,某小组进行了甲状腺激素和甲硫咪唑对蝌蚪生长发育影响的实验,实验设计如表1所示,实验结果如表2和图1所示,分析回答以下问题。

本实验的自变量是(),需要控制的无关变量有()(至少写两项)。

题型:单项选择题

I got a job teaching special education at a school in Coachella, California, a desert town about 170 miles from home. It was no (1) job. Street gangs (2) around the school after dark."Be careful," Dad warned me during one of my frequent weekend (3) home. He was concerned about my living (4) , but I needed to be on my own.One evening, I stayed after school to rearrange my classroom. (5) , I turned out the light and closed the door. Then I (6) toward the gate. It was (7) ! I looked around. Everyone had gone home.After (8) all the exits, I found just enough (9) to squeeze under a gate in the back of the school. Then I walked toward my car, parked in a field behind the building.Suddenly I heard voices. I (10) around and saw at least eight boys following me. (11) my pace, I reached into my shoulder bag to get my key. I (12) all over the inside of my handbag. But the key wasn’t (13) ! Dear Lord, please help me, I prayed (14) . Suddenly, my fingers touched a loose key in my purse. I didn’t even know if it was for my car, but I took it out and (15) it. It worked!I opened the door, slid in and locked it—just (16) the teenagers surrounded the car. Trembling , I started the engine and (17) away. When I returned to my apartment, the phone was ringing. It was my Dad. I didn’t tell him about my experience; I didn’t want to (18) him. "Oh, I forgot to tell you!" He said, "I had a(n) (19) car key made and slipped it into your purse—just (20) you ever need it.

 

第(18)空应选择()

A.displease

B.surprise

C.cheat

D.worry

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