李丹因为她的同桌在考试中超过了她,产生了严重的烦躁心理,要求老师给她调 座位。如

题型:选择题

问题:

李丹因为她的同桌在考试中超过了她,产生了严重的烦躁心理,要求老师给她调

座位。如果你是老师,你会对她说

①竞争并不意味着“你死我活”

②要树立正确的竞争观念,正确对待竞争中的成败得失

③竞争中要避免与对手发生冲突,要让对方超过自己

④竞争离不开合作.只有相互学习、取长补短,才能取得成功

A.①②③

B.②③④

C.①②④

D.①②③④

考点:合作与竞争
题型:选择题

能出现在蛋白质分子中的下列氨基酸哪一种没有遗传密码()

A.蛋氨酸

B.色氨酸

C.羟脯氨酸

D.谷氨酰胺

E.组氨酸

题型:选择题

某公司进口一批生猪皮,请根据所提供的单据,完成相关的判断题

集装箱号/铅封号是“xlmb3341560/378011”。()

题型:选择题

阅读理解。

     "Confidence" is probably one of the most noticeable traits (品质) in the Americans. They show

confidence in the way they talk, the way they smile, the way they dress and the way they walk.

Living and competing with all these confident American students, I find it extremely important to

be confident as an international student and instructor. As a student, being confident means you

should never hesitate to raise your hand whenever a question or a point comes to your mind.

Don't mind if it sounds simple or silly. Otherwise you will never get a chance to speak in class at

all. What's worse, the professors may think you are not prepared for the discussion or you do not

have your own opinion on the issue-this is the last comment any graduate would like to receive.

     Being confident for me as a foreign instructor means calmly asking the student to repeat what

he or she has said if I did not get it. Pretending to understand what you actually did not may just

bring yourself embarrassment or even disgrace. But the time I most need to be confident is when

my students come to my office and bargain about the grades I have given for their speeches.

(The course I'm teaching here is Public speaking). Modesty is a trait highly valued in China, but it

won't be of much help here if you want to survive and succeed in a good American graduate

program.

1. To compete with American students it's very important to      .

A. be quite confident

B. be polite and friendly

C. have more discussions with them

D. understand what they think about

2. A professor will have the worst opinion of a student who      .

A. gives a silly or simple answer

B. tries to seize any chance to speak in class

C. shows no interest in the course

D. is considered to have no opinion of his own

3. The author is most likely to feel embarrassed if       .

A. he asks a student to repeat what he has said

B. the students bargain with him

C. he pretends to know what he doesn't

D. he has to give a speech

4. We learn from the second paragraph that       .

A .we should also remain modest in America

B. modesty doesn't help you much in America

C. Americans also like modest people

D. modesty can help you through an American graduate program

5. What can we infer from the passage?

A. American students are ready to accept the grades from the teacher.

B. The writer teaches in Europe for a living.

C. Students are encouraged to present simple questions.          

D. One's ignorance will give away in time.

题型:选择题

镉中毒的作用机制主要是()

A.与钾离子发生竞争,影响有钾离子参与的生理活动如神经冲动的传导等

B.和钙竞争与钙调素的结合,干扰钙调素及其所调控的生理、生化体系

C.与线粒体中相关蛋白结合,导致氧化磷酸化失藕联,干扰机体的能量代谢

D.与角蛋白中的巯基结合,影响角蛋白的合成

E.干扰DNA的合成并抑制有丝分裂

题型:选择题

关于在我国农村实行的家庭联产承包经营责任制的说法,正确的有( )。

A.它是土地改革以后我国农村生产关系的一次重大调整

B.它没有改变农村土地的集体所有制性质

C.它没有改变农村土地的经营方式

D.它是作为农村集体经济组织内部的一个经营层次而存在的

E.它独立于农村集体经济组织之外

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