若|x+2y-6|+(x-y-3)2=0,则2x-3y=______.

题型:填空题

问题:

若|x+2y-6|+(x-y-3)2=0,则2x-3y=______.

考点:有理数的乘方
题型:填空题

下列运算中,正确的是[ ]

A.x5+x5=2x10

B.(-x)5÷(-x)3=-x2

C.(-2x2y)3·4x=-32x7y3

D.( x-3y)(-x+3y)=x2-9y2

题型:填空题

患者女性,36岁,右颈部结节一周。无畏寒、发热,无咳嗽、咳痰,饮食可。否认结核病史。PE:右颈部可触及一约1.5cm×2cm的结节,质地中等,无压痛,随吞咽动作上下活动。血清FT4、FT3、TSH、TGAb及TMAb均正常。TcO甲状腺静态显像示右叶甲状腺可见一"冷"结节。

为进一步评估结节性质,临床拟首选的检查方法是()

A.Tc-MIBI亲肿瘤显像

B.超声

C.18F-FDGPET/CT

D.MRI

E.CT增强扫描

F.穿刺细胞学检查

题型:填空题

胃溃疡钡剂造影检查()

A.溃疡呈椭圆形龛影,边缘光滑

B.胃黏膜呈"鹅卵石样"改变

C.胃内可见形状规则、边缘整齐的半圆形充盈缺损阴影

D.胃内可见边缘整齐的圆形充盈缺损,中心可出现"脐样"溃疡龛影

E.龛影不规则,有半月征

题型:填空题

项目控制与监理是房地产开发过程()阶段的工作。

A.投资决策 

B.前期准备 

C.工程建设 

D.市场营销

题型:填空题

It is clear that we are rapidly becoming a global culture. New forms of information technology, intercontinental travel, and the complex nature of economics are all elements in such a change. Japan, an ancient (1) culture, now dominates the West economically while its own traditional (2) is rapidly becoming (3) in the process.
It does not take a great deal of analysis to see the vast interchanges of cultural influences in the world today. The thirst for (4) fashions, popular music, and the other elements of consumer culture (5) great inroads in non-Western lands while the West seeks out everything from the religious traditions of the Ease (6) the art and music these countries produce. In the field of (7) , to cite one conspicuous example, contemporary readers seek books (8) those of the West. Latin American authors, as well as those from Africa, Asia, and India, now find appreciative audiences.
A (9) culture does not mean a unitary or "one world" culture. It does mean that people are increasingly aware of the diversity of culture. World events enter our living rooms so that things that may once have been (10) of as distant (11) now greet us immediately and in color. We may watch those events on a television made in Japan while wearing clothes sewn in Thailand and shoes made in Hungary while snacking (12) food grown in Mexico. Such an economic interdependence reflects the reality of a global banking system, the globalization of the economy, and the increasing (13) of information and information technologies.
(14) has this shrinking of distances (and attitudes) become more clear than in the academic debates over what constitutes a liberal (15) education today. Is it possible (or desirable) to have the Western core of humanities (16) the center-piece of a curriculum The place of non-Western and non-traditional cultures as part of the general (17) of a student is hotly argued in educational circles. The very fact of that discussion (18) to the emergence of a global consciousness with a continued shrinking of parochial attitudes. The (19) that such globalization is hotly debated only emphasizes the profound nature of the (20) taking place in our culture.

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