下列有关肾盂肾炎的叙述,哪项是错误的 A.由细菌感染引起 B.男性发病率稍高 C.大

题型:单项选择题

问题:

下列有关肾盂肾炎的叙述,哪项是错误的

A.由细菌感染引起
B.男性发病率稍高
C.大肠杆菌感染最为常见
D.可分为上行性感染和血源性感染
E.表现为化脓性间质性肾炎

考点:临床执业医师临床执业医师
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血液循环中,体循环开始于心脏的__________________, 止于心脏的________________。 肺循环开始于心脏的__________________, 止于心脏的__________________。

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阅读理解。

     No one wants to be tested.We would all like to get a driver' s license without answering

questions about rights of way or showing that we can parallel park a car.Many future lawyers

and doctors probably wish they could join their profession without taking an exam.

     But tests and standards are a necessary fact of life. They protect us from unskilled drivers,

harmful products and dishonest professionals. In schools too exams play a constructive role.

They tell public officials whether new school programs are making a difference and where new

investments are likely to pay off.They tell teachers what their students have learned --and

have not.They tell parents how their children are doing compared with others their age.They

encourage students to make more effort.

     It is important to recall that for most of century, educators used intelligence tests to decide

which children should get a high - quality education.The point of IQ testing was to find out how

much children were capable of learning rather than to test what they had actually learned.Based

on IQ scores, millions of children were assigned to dumbed-down programs instead of solid courses

in science, math, history, literature and foreign language.

     This history reminds us that tests should be used to improve education.Every child should

have access to a high-quality education.Students should have full opportunity to learn what will

be tested; otherwise their scores will merely reflect whether they come from an educated family.

     In the past few years, we have seen the enormous benefits that flow to disadvantaged students

because of the information provided by state tests.Those who fall behind are now getting extra

instruction in after-school classes and summer programs.In their efforts to improve student

performance, states are increasing teachers'salaries, testing new teachers and insisting on better

teacher education.

     Performance in education means the mastery of both knowledge and skills.This is why it is

reasonable to test teachers to make sure they know their subject matter, as well as how to teach

it to young children.And this is why it is reasonable to assess whether students are ready to advance

to the next grade or graduate from high school.

1.According to the passage, school exams enable ______.

A.teachers to understand if their students have made efforts

B.parents to compare their kids' achievements across schools

C.students to meet their teachers' requirements

D.governments to make right policies

2."Dumbed - down programs" in Paragraph 3 refer to the programs which       .

A. lead to high-quality education            

B. are less academically challenging

C. are intended for intelligent students        

D. enable children to make steady progress

3.Which of the following does the author probably agree with?

A.Disadvantaged students can benefit from state tests.

B.Tests should focus on what students have actually learned.

C.Intelligent tests decide if children should get a high - quality education.

D.Intelligent tests are helpful in separating excellent students from poor ones.

4.What is the purpose of the passage?

A.To re-assess the value of IQ testing.

B.To defend the role of testing in education.

C.To explain what high-quality education means.

D.To call for thorough and complete reform in education.

题型:单项选择题

马达运转时过热的原因()。

A、轴承磨损

B、绕组短路

C、过载

题型:单项选择题

公安工作具有强制性与教育性相结合的特点。 ( )

题型:单项选择题

梅毒螺旋体的染色方法

A.革兰染色

B.镀银染色法染色

C.抗酸染色

D.免疫荧光抗体染色

E.棉兰染色

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