下列免疫学测定方法敏感性最高的是() A.沉淀反应 B.凝集反应 C.放射免疫测定

题型:单项选择题 A型题

问题:

下列免疫学测定方法敏感性最高的是()

A.沉淀反应

B.凝集反应

C.放射免疫测定

D.补体结合试验

E.单向扩散试验

考点:建设工程经济基础理论基础理论题库
题型:单项选择题 A型题

Please do not leave your valuables in your room unattended.

The hotel provides safe deposit boxes(保险箱)at the reception desk.

When you leave the hotel, please put your key at the reception desk.

PLEASE DO NOT

TALK TO OR

DISTRACT THE

DRIVER WHEN THE

BUS IS MOVING.

PLEASE PAY

EXACT FARE.

The local government has

advised skaters not to go out on

the central pond today.

There is a danger of the ice

breaking. Skaters are advised to

enjoy their sport at the local

indoor ice rink (溜冰场) instead

SALE

Sports fans

Don’t miss out!

Tennis rackets – down to $15

Basketballs – down to $ 10

Aerobic wear – from just $ 10

Swimwear—from just $5

First five people in the store today

will meet Yao Ming .

Hotel Rendezvous

30 Kings Road

Swindon

UK

23/04/07

Mr. & Mrs. Biggs

80 Cuscaden Road

London

Dear Mr. & Mrs. Biggs,

We are pleased to confirm your reservation as follows:

Date:21-23 June (2 nights)

Room: double

Rate: $120 a night

小题1:If you have some expensive things, where can you leave them when you live in the hotel?

A.Take them with you everywhere you go.

B.Leave them in the room you live in.

C.Put them in the safe deposit boxes.

D.Call friends for help.小题2:How much should the Biggers pay for the Hotel Rendezvous each night?

A.$60

B.$480

C.$120

D.$240小题3:When you take a bus, what can you do?

A.Talk with the bus driver loudly.

B.Read the newspapers.

C.Distract the driver when the bus is moving.

D.Discuss something with the strangers loudly.小题4:Bruce likes skating, he can’t _________ .

A.go shopping with friends

B.meet Yao Ming

C.skate at the local indoor ice rink

D.skate on the central pond小题5:Which is not TRUE according to the passage?

A.The cheapest swimwear is $5.

B.Hotel Rendezvous is in the UK.

C.Buy sports things in the store, you also can meet basketball athlete.

D.When you leave the hotel, you should put the key at the reception desk.

题型:单项选择题 A型题

在“研究凸透镜成像规律”时,将凸透镜、蜡烛和光屏放在如图甲所示的光具座上进行(凸透镜的焦距f已知):

(1)若在图中C位置上放置光屏,则B位置上应放置    _______  

(2)实验过程中,应测量物距u和物距v,并记录     ______   的性质特点;

(3)若烛焰在光屏上所成的像如图乙所示,为使像能清晰地里在光屏中央,应将凸透镜向     ____ 移动(填“上”或“下”);

(4)实验发现:当物距在      __ 范围时,像都能在光屏上承接;当物距在               范围时,凸透镜成缩小的像。

题型:单项选择题 A型题

反映测验题目对有关行为取样的适用性的效度指标是()。

A.内容效度

B.构想效度

C.效标效度

D.区分效度

题型:单项选择题 A型题

空间分辨率是指()

A.对组织对比差异的显示能力

B.对解剖细微结构的显示能力

C.评估影像灰阶的参数

D.评估信号强度的参数

E.评估伪影大小的参数

题型:单项选择题 A型题

药物相互作用研究是指()

A.研究两种或两种以上药物合用或先后序贯使用时药物效应强度的变化

B.研究药物可能引起的副作用、变态反应、继发性反应等不良反应

C.评价新药的安全性、有效性、对上市药品的再评价,对药物不良反应的监察等

D.研究机体对药物的处置过程

E.研究药物对机体的作用及其规律

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