烤瓷冠金属基底与瓷的结合处应做成()。 A.凹面 B.凸面 C.直角 D.锐角 E.

题型:单项选择题

问题:

烤瓷冠金属基底与瓷的结合处应做成()。

A.凹面

B.凸面

C.直角

D.锐角

E.斜面

考点:山东住院医师口腔颌面外科Ⅱ阶段专业理论专业理论题库
题型:单项选择题

Last July, my 12-year-old car died on California's Santa Ana Freeway. It was an hour before sunset, and I was 25 miles from home. I couldn't reach anyone to pick me up, so I decided to take a bus. Not knowing the routes, I figured I'd just head east. A bus pulled up, and I asked the driver how far she was going. “Four more lights,” she said. There was another bus I could take from there. This clearly was going to be a long night. She dropped me off at the end of her route and told me which bus to look for.

After waiting 30 minutes, I began to think about a very expensive taxi ride home. Then a bus pulled up. There was no lighted number above its windshield (挡风玻璃). It was out of service. But the door opened, and I was surprised to find that it was the same driver. “I just can't leave you here,” she said. “This isn't the nicest place. I'll give you a ride home.” “You'll drive me home in the bus?” I asked, perplexed (困惑). “No, I'll take you in my car,” she said. “It's a long way,” I protested. “Come on, ” she said. “I have nothing else to do.”

As we drove from the station in her car, she began telling me a story. A few days earlier, her brother had run out of gas. A good Samaritan picked him up, took him to a service station and then back to his car. “I'm just passing the favor along, ” she said. When I offered her money as a thank-you, she wouldn't hear of it. “That wouldn't make it a favor, ” she said. “Just do something nice for somebody. Pass it along.”

小题1:Why did the writer say that he would have a long night?

A.He wondered how long he had to wait for the next bus.

B.No driver would give him a ride.

C.He didn't know the routes.

D.He perhaps would have to take a taxi.小题2:Judging from its context, the place where the writer waited for the second bus was_____.

A.very quiet and peaceful

B.dark without street lights

C.neither clean nor beautiful

D.a little unsafe小题3:The bus driver drove the writer home later because ________.

A.she happened to go in the same direction

B.she wanted to do something good for other people

C.her brother told her to do so

D.she wanted to earn more money小题4:The bus driver hoped that the writer ________.

A.would do as she did

B.would keep her in memory

C.would give the money to others

D.would do her a favor

题型:单项选择题

不合理的、不合逻辑的思维造成了()的困扰。

A.信念

B.情绪

C.行为

D.行动

题型:单项选择题

在一次化学兴趣小组活动中,一小组利用物质间互变,设计成一平面“魔方”,如图所示:

已知:①A、B、C、D、G含有同一种元素。

②有下列表格

③E是通常情况下密度最小的气体;B与硝酸银溶液反应生成不溶于稀硝酸的白色沉淀;在水溶液中B也能将一种气体氧化物氧化为F,F是含有三种元素的化合物,与A反应生成E和G。

根据以上信息填空:

(1)写出D的化学式________;G生成C的过程中所出现的现象为_______________________。

(2)写出下列反应的化学方程式:E→A______________________;A→B_____________________。

(3)B→F的离子方程式为_____________________。

题型:单项选择题

血液中运输CO2的主要形式是()

A.CO2

B.H2CO3

C.HbNHCOOH

D.物理溶解

E.HCO-3

题型:单项选择题

下列体征中,不见于猩红热的有()

A.粟粒疹

B.线状疹

C.口周苍白圈

D.Koplikspot

E.草莓舌

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