癌前病变的定义是下列哪一种（） A.癌肿的早期阶段 B.良性肿瘤发生了癌变 C.一种

阅读理解。

     His songs are a bit sad, but his boy-like smile can quickly warm you up! And people love A-do for both

reasons.

     He has been singing for only two years, but he's already a famous star in Asia's pop world. The Singaporean

singer has already made three albums. Together they have sold more than five million copies across Asia.

     China's Music Radio named him "the Asian King of Pop". A-do said he didn't expect the award (奖)."It's

great for me. It makes me want to work even harder."

     His new album "Hello" came out in December. He sings with the same rough (粗糙的) voice, and he puts

in some rock music. In the "Hello" music video, Vicky Zhao (赵薇) is with A-do outside on a cold day in

Northern China.

     A-do used to be a house builder. Every day after work, he would sing by himself. Other workers heard

him and told him he should be in a contest.

     A-do hasn't changed much. He still gets nervous in front of cameras. Peng Yiting, a junior at a middle

school, says, "He's real and doesn't show off (炫耀). He's an everyday hero and shows anyone can do well

if they work hard."

1-2. 判断正(T)误(F)。 3. 译为汉语。 4 .补单词。 5. 选择。

(     )1. A-do's albums can warm you up.

(     )2. A-do has been singing for only two years.

3. China's Music Radio named him "the Asian King of Pop".

    ________________________________________________________________

4. Other workers heard him _____ and told him he should be in a contest.

5. What was A-do before he became a famous singer?

A. A builder.

B. A businessman.

C. A teacher.

（湖北省六市2009年高三年级联合考试）

阅读下面的文字，根据要求作文。

“修”在词典里有丰富的内涵：①修饰、装饰。现代人已经不满足于简单的修饰边幅，而是整修容貌使形象趋向完美。②修理、整治。道路、河流、树木经过不断的修理、整治，呈现出日新月异的变化。③修正、修养。有错就改谓之修正，法律、规章、规则正是经过逐步修正走向完善；在学习方面的探索、研究，在品行方面的磨炼、培养谓之修养，儒家经典则把修身作为齐家、治国、平天下的根本……

请根据你对这段文字的理解，联系现实生活，自选角度，写一篇文章。要求：自定立意，自定文体，自拟标题，不少于800字。

肾性急性肾功能衰竭最常见的原因是（）

A.急性肾小球肾炎

B.肾血管性疾病

C.急性间质性肾炎

D.急性肾小管坏死

E.慢性肾脏疾病的急性发作

简述在光度分析中如何用镨钕滤光片对光度计的波长进行校正。