用正平面截切轴线为铅垂线的圆柱体,所得截交线在俯视图上为()A.直线 B.圆 C.矩

题型:单项选择题

问题:

用正平面截切轴线为铅垂线的圆柱体,所得截交线在俯视图上为()

A.直线

B.圆

C.矩形

D.椭圆

考点:轮机工程投影的基本知识投影的基本知识题库
题型:单项选择题

要定量检测人血清中的生长激素,采用的最佳免疫检测法是()

A.免疫荧光法

B.免疫酶标记法

C.细胞毒试验

D.放射免疫测定法

E.补体结合试验

题型:单项选择题

张某,女,48岁。心绞痛病史5年,近2周发作频繁,疼痛程度加重,每次发作持续时间延长,含硝酸甘油片后15分钟方可缓解。心电显示S-T段下移,T波倒置。应首先考虑的是()

A.急性心肌梗死

B.变异型心绞痛

C.初发型劳累性心绞痛

D.恶化型劳累性心绞痛

E.稳定型劳累性心绞痛

题型:单项选择题

患者男,因“近期咽部干燥刺痛和异物感”来诊。患者有不同程度的吞咽疼痛、吞咽困难,伴干咳。患者患糖尿病10年。胸部X线片未见异常,血常规未见白细胞增高。服用抗生素治疗无效,临床怀疑为咽部真菌感染,行活体组织病理学检查。显微镜下检查可见非特异性炎症改变。

若诊断咽结核,则病理检查确诊的依据是()。

A.病变组织中检出真菌

B.病变组织中见呈抗酸染色阳性的短棒状杆菌

C.炎性肉芽肿和炎性肉芽组织内见PAS或六胺银染色阳性的有隔分枝菌丝

D.病变组织中巨噬细胞内外见PAS或阿辛蓝染色阳性的有荚膜的球菌

E.病变组织中见呈PAS染色阳性的真菌孢子和假菌丝

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  江西省第二届花博会于2009年9月28日至10月10日在南昌举行,在花博会上,人们感受到浓浓秋情花意,但也出现了一些不和谐的音符,部分游客攀枝摘花、乱丢乱吐等不文明行为令人扫兴。如果你是花博会的青年志愿者,你会对这些人说些什么,怎样礼貌地进行提醒和劝阻?

____________________________________________________________

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Lost a German Dog

Address: Stoneywood Circle, Mableton, GA, 30126

Please help up find our missing boy. He escaped through the backyard fence this morning. Weighing pounds, he is black and wearing a blue collar. He was last seen beside the Cooper Lake. If anyone finds it, please call us. Thanks.

Meghan: 678-458-2045

Dave: 678-350-6959

Found an Orange Cat

Address: Marietta, GA

I found an orange cat with medium—length hair in the Indian Hills neighborhood. He is an adult cat, and may even be an elderly cat. He is extremely thin, and has probably been missing from his home for a while. His legs, which give him a little bit of trouble, have some old mjuris. Call me and he prepared to answer questions to de termine if this is truly your cat.

Dog Found

Address: Tujunga, CA

The dog has been wandering the streets of Tujunga. She is very sweet. Please let me know if you are looking for this wonderful girl. Be prepared to answer questions.

Julia: 834-600-2316

Lost Camera

Address: Uvalde, Tx, 78801

I lost my camera yesterday. I believe it was left in a car at about 2:30 p.m. on my way to the St. Louis Airport or at the Airport. I would love the camera back. It has every picture that I have taken since Jan. 1, 2009. It is a Kodak EasyShare Z612 camera in a black case. Please contact me if you have found it.

Cindy: 689-346-2389

1.The purpose of the text is to____________.

A.tell people to be careful with their things

B.show how many things are lost or found

C.help people find the things they have lost

D.list the information about the lost things

2.All the four pieces of information include___________ .

A.the exact and detailed addresses of the four people

B.the places where the things were lost or found

C.the colors and sizes of the lost or found things

D.the ways in which the things were lost or found

3.If you find a black dog with a blue collar beside the Cooper Lake, you may call__________.

A.Meghan at 718-322-5809       B.Julia at 834-600-2316

C.Cindy at 678-458-2045   D.Dave at 678-350-6959

4.Why do John and Julia ask callers to answer questions?

A.To make sure whether they are the real owners.

B.To test whether they can raise the animals well.

C.To write an essay with the detailed information.

D.To make an appointment with the real owners.

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