对停电作业的设备，必须从可能（）切断电源，并有明显的断开点。星形接线设备的中性点应视

古人说：“人生不如意十之八九。”这说明 [ ]

A．人的命运总是不好的

B．挫折是普遍存在的 

C．普通的人受挫折较多

D．挫折能丰富我们的人生 

第二节：完形填空（共20小题；每小题1分，满分20分）

阅读下面短文，掌握其大意，然后从21～40 各题所给的四个选项（A、B、C和D）中，选出最佳选项。

Nancy had just got a secretary’s job in a big company to work in the sales department. Monday was the first day that she went to work, so she was very 　21  . She got up very early and arrived at the office at twenty to eight. She   22　 the door open and found   23__    there. “I am the first to arrive.” She thought and came to her desk  24   she was surprised to            __25   a large bunch of flowers on it. They were   26  . She picked up the flowers from the desk and smelled them. “Oh, how lovely!” Nancy cried   27   . She then   28   for a vase to put them in. “Somebody has sent me flowers the   29   first day!” She thought happily. “But who could it be?” She began to wonder.

The day passed very   30　 and Nancy did everything   31   great interest and enthusiasm. For the following days of the week, the first thing Nancy did was to change water for the flowers. And then she __ 32　 herself in her work.

Then came another   33  . When she came near her desk, she was overjoyed to see a new bunch of flowers there. She quickly put them in the vase,   34   the old ones. The same thing happened again the next Monday. Nancy felt it strange and this time she began to think of ways to find out the 　35　.

On Tuesday afternoon, she was sent to   36　 a plan to the general manager's office. She had to stay for a while at his secretary's desk   37   his directives. She happened to see on the desk a big notebook 　38  with “Records of managers' meetings”, and   39   the half-opened pages. Suddenly her eyes fell on these words, “In order to keep the secretaries in high spirits, the company   40   that every Monday morning a bunch of fresh flowers should be sent to each secretary's desk.”

Later, she was told that their general manager was a wise man with the Bachelor of Psychology in Business.

21. A. depressed          B. excited            C. encouraged        D. surprised

22. A. pushed              B. forced              C. turned          D. knocked

23. A. everybody      B. others         C. nobody        D. somebody

24. A. that                  B. which                    C. there             D. where

25. A. discover              B. smell                C. find               D. pick

26. A. old                 B. fresh             C. good             D. sweet

27. A. joyfully            B. tearfully                 C. casually           D. repeatedly

28. A. looked up      B. looked at       C. looked around         D. looked down

29. A. happy                    B. very                      C. funny            D. quite

30. A. slowly              B. normally                C. quickly            D. hardly

31. A. at                       B. in                       C. for             D. with 

32. A. devoted                    B. focused                  C. buried                    D. made

33. A. Sunday                    B. Monday                  C. Tuesday                 D. Saturday

34. A. taking                   B. took                      C. replaced          D. replacing

35. A. sender              B. receiver                  C. manager          D. waiter

36. A. send for                   B. hand out                 C. try out            D. hand in

37. A. asking for                           B. waiting for             

C. looking for                     D. searching for

38. A. marked                   B. given                     C. used              D. signed

39. A. glanced at         B. stared at                  C. glared at                 D. looked at

40. A. has ordered                         B. has said           

C. has decided                       D. has demanded

肝病患者DIC诊断时，要求纤维蛋白原测定值（）

A.＜1.5g/L

B.＜1.0g/L

C.＜0.5g/L

D.＜2.0g/L

E.＜1.8g/L

腰椎管狭窄症最突出的症状是（）。

A.腰腿痛

B.下肢麻木

C.腱反射改变

D.直腿抬高试验（＋）

E.间歇性跛行

在窗体上添加一个文本框控件Info，画一个命令按钮，当单击命令按钮显示“保存文件”对话框，设置该对话框可用于保存文本文件(默认)和可执行文件(．exe)，然后在文本控件中显示保存的文件名。
　　Private Sub Command1_Click( )
　　　　CommonDialog1．Filter= 【13】
　　　　CommonDialog1．FilterIndex= 【14】
　　　　CommonDialog1．ShowSave
　　　　Info．Text= 【15】
　　End Sub