不属于细胞因子生物学活性的是() A.增强抗感染和细胞杀伤效应 B.促进靶细胞的增殖

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问题:

不属于细胞因子生物学活性的是()

A.增强抗感染和细胞杀伤效应

B.促进靶细胞的增殖和分化

C.促进炎症过程,影响细胞代谢

D.促进或抑制其他细胞因子和膜表面分子的表达

E.中和及溶解病毒作用

考点:临床医学检验技术士临床检验士基础知识临床医学检验技术士基础知识考前冲刺一
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民族资本主义是推动中国近代化的重要力量,许多爱国志士都把发展实业作为国家富强的根本。然而,中国近代的民族资本主义在多重力量压制下发展十分艰难。下面对中国民族资本主义发展过程描述正确的是

A.受洋务运动的诱导和外商企业的刺激,中国的资本主义萌芽发展为民族资本主义

B.封建势力和帝国主义代言人袁世凯篡夺辛亥革命果实后,民族资本主义发展受挫

C.南京国民政府执政初期,轻工业发展快,重工业也有起色,民族资本主义达到顶峰

D.帝国主义、封建主义、官僚资本主义是阻碍中国民族资本主义产生和发展的因素

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阅读理解

     Homestay provides English language students with the opportunity to speak English outside the classroom and the experience of being part of a British home.

     What to Expect

The host will provide accommodation and meals.Rooms will be cleaned and bedcovers changed at least once a week.You will be given the house key and the host is there to offer help and advice as well as to take an interest in your physical and mental health.

      Accommodation Zones

      Homestays are located in London mainly in Zones 2,3 and 4 of the transport system.Most hosts do not live in the town centre as much of central London is commercial and not residential (居住的).Zones 3 and 4 often offer larger accommodation in a less crowded area.It is very convenient to travel in London by Underground.

    Meal Plans Available

   ◇Continental Breakfast

   ◇Breakfast and Dinner

   ◇Breakfast,Packed Lunch and Dinner

     It's important to note that few English families still provide a traditional cooked breakfast.Your accommodation includes Continental Breakfast which normally consists of fruit juice,cereal (谷物类食品),bread and tea or coffee.Cheese,fruit and cold meat are not normally part of a Continental Breakfast in England.Dinners usually  consist of meat or fish with vegetables followed by dessert,fruit and coffee.

     Friends

     If you wish to invite a friend over to visit,you must first ask your host's permission.You have no right to entertain friends in a family home as some families feel it is an invasion of their privacy.

     SelfCatering Accommodation in Private Homes

     Accommodation on a roomonly basis includes shared kitchen and bathroom facilities and often a main living room.This kind of accommodation offers an independent lifestyle and is more suitable for the longstay student.However,it does not provide the same family atmosphere as an ordinary homestay and may not benefit those who need to practise English at home quite as much.

1.The passage is probably written for ________.

A.hosts willing to receive foreign students

B.foreigners hoping to build British culture

C.travellers planning to visit families in London

D.English learners applying to live in English homes

2.Which of the following will the host provide?

A.Room cleaning.  

B.Medical care.

C.Free transport. 

D.Physical training.

3.What can be inferred from Paragraph 3?

A.Zone 4 is more crowded than Zone 2.

B.The business centre of London is in Zone 1.

C.Hosts dislike travelling to the city centre.

D.Accommodation in the city centre is not provided.

4.According to the passage,what does Continental Breakfast include?

A.Dessert and coffee.

B.Fruit and vegetables.

C.Bread and fruit juice.  

D.Cereal and cold meat.

5.Why do some people choose selfcatering accommodation?

A.To experience a warmer family atmosphere.

B.To enrich their knowledge of English.

C.To entertain friends as they like.

D.To enjoy much more freedom.

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证据的证明力

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患者女性,46岁。输液过程中突然呼吸困难,感到胸闷、气促、咳嗽、咳粉红色泡沫痰,肺部闻及湿啰音。

吸氧时,在湿化瓶内应加的湿化液是

A.清水
B.冷蒸馏水
C.10%~20%乙醇
D.20%~30%乙醇
E.1%~4%呋喃西林

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备用台脱氢反应器进行自产氢保压的好处是什么?

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