下列描述不是鳞状细胞癌特点的是（） A.常见于中老年人，头面部日光照射部位皮肤 B.

第三节完形填空（共20小题，每小题1.5分，满分30分）

阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

Chuck was one of my students in my high school English class. He was a writer of great 21. So, when he was accepted into the journalism program at the University of Missouri, I wasn’t 22.

During his first year at college, Chuck stopped by the school a few times to keep me informed of his 23. We recalled（回忆）that we had worked together several years before to 24 money for 23 sick Cambodian babies who were being cared for by a nurse friend of mine in Thailand, a place far away yet close to our 25. Chuck raised several thousand dollars. It was an activity that 26 our formal relationship into a friendship.

In his second year at college, it was discovered that Chuck had lung cancer and had only a short while to 27. I went to see him one day. Seeing me, he was filled with 28 and we talked and laughed for most of the afternoon.

About six weeks later, Chuck died. It was a great 29 for everyone, especially for his family. Chuck was 30 and full of promise. More importantly, he was a good person, a just person.

When I went to his 31, his father told me that several weeks before, Chuck had asked him to 32 his possessions with him so that he might select a few things to be buried in the coffin(棺木) with him . Chuck 33 six items, including an essay he had written.

He told me that Chuck liked the 34 I had written to him at the bottom of the last page. In that little note, I affirmed his talent as a 35.

I was grateful for the 36 gift Chuck gave me that day. His taking my note with him offered me a great opportunity to 37 students’ lives. I felt a sense of purpose that was greater than ever. Whenever I 38 my purpose, I think of Chuck, and I am reminded of it once again: 39 have the power to affect hearts and 40 for a long time.

21. A. use                    B. promise                   C. height               D. assistance

22.A. disappointed           B. amused                    C. excited             D. surprised

23. A. secret                 B. job                          C. progress           D. family

24. A. raise                  B. borrow                    C. spend                   D. save

25. A. college                  B. hearts                         C. village              D. friends

26. A. transformed               B. divided                    C. put                   D. devoted

27. A. spare                 B. act                          C. live                  D. sleep

28. A. worry                B. joy                          C. pain                 D. tears

29. A. honor                B. comfort                   C. day                  D. loss

30. A. fortunate            B. serious                    C. talented            D. unsatisfied

31. A. funeral                      B. office                             C. dormitory      D. school

32. A. go over              B. take over                 C. give away         D. threw away

33. A. added                B. bought                    C. examined          D. chose

34. A. story                  B. letter                       C. joke                 D. message

35. A. writer                B. teacher                    C. doctor              D. comedian

36. A. excellent            B. practical                 C. extraordinary    D. expensive

37. A. believe                  B. draw                       C. know                      D. influence

38. A. remember          B. forget                         C. change             D. achieve

39. A. Parents              B. Teachers                  C. Students         D. Strangers

40. A. health                B. concentration           C. accents             D. minds

把Fe粉、Cu粉置于FeCl₃溶液中，充分反应后加入KSCN不现红色，下列情况不能成立的是（　　）

A．铁不剩余，Cu剩余

B．铁、铜均剩余

C．铁剩余，含Cu²⁺

D．铜剩余，含Fe²⁺

化简：（a+1）²﹣（a﹣1）²=[ ]

A．2

B．4

C．4a

D．2a²+2

金某11年前曾因犯走私罪被人民法院判处有期徒刑15年，服刑8年后因在狱中表现良好被假释，现在，即在假释考验期内的第3年，金某因犯抢劫罪而被撤销假释并重新收押。在对金某所犯抢劫罪进行审讯过程中，金某又主动交代了自己在因走私罪被判刑前还曾经入户行窃一次(得赃款2000元)，而司法机关并未发现的犯罪事实。请回答下列问题：

如果金某在犯前述盗窃罪后公安机关已经立案侦查，而金某因逃往外地而未被立案的公安机关抓获，则对金某又当如何处罚

使用万用表测三极管，若红表笔接一管脚，黑表笔分别测另两个管脚得到三组值。若指针偏转一致的值较大时，说明（）。

A.公共管脚是阳极，为PNP型管

B.公共管脚是阴极。为PNP型管

C.公共管脚是阳极，为NPN型管

D.公共管脚是阴极，为NPN型管