非霍奇金淋巴瘤结外受侵，最常见的部位是()A．韦氏环 B．消化系统 C．骨 D．中枢

桥体与龈面的关系中，除哪一项外都是重要的（）

A.接触面积小

B.高度光滑无刺激

C.接触面无压力

D.楔状隙通畅，便于清洁

E.桥体应有足够强度

胚胎期开始发育及钙化的恒牙是（）

A.下中切牙

B.上中切牙

C.第一恒磨牙

D.下侧切牙

E.下中切牙及侧切牙

一、
(选择题为必做题，其他6题可任选4题，如果6道题目全做，将按顺序只计算前4题的分数)

在施工期的评价重点是( )。

A．路基填挖方边坡

B．水土流失

C．交通噪声

D．评价范围内的学校教学环境与居民生活质量

The relative decline of American education at the elementary-and high-school levels has long been a national embarrassment as well as a threat to the nation’s future. Once upon a time, American students tested better than any other students in the world. Now, ranked against European schoolchildren, America does about as well as Poland, behind at least 10 other nations. Within the United States, the achievement gap between white students and poor and minority students stubbornly persists.
For much of the last half century professional educators believed that if they could only find the right pedagogy, the right method of instruction, all would be well. Yet in recent years researchers have discovered something that may seem obvious, but for many reasons was overlooked or denied. What really makes a difference, what matters more than the class size or the textbook, the teaching method or the technology, is the quality of the teacher. Much of the ability to teach is innate-an ability to inspire young minds as well as control unruly classrooms that some people instinctively possess and some people definitely do not.

符合要求的起始或中间进近定位点，其纵向容差不得大于：（）.

A.±1.0海里

B.±1.5海里

C.±2.0海里

D.±2.5海里