下图示意我国及东部、中部、西部三大地带能源自给率的变化情况。完成1~2题。 1

下列符合生物学意义的食物链是（　　）

A．营养物质→鼠→蛇→鹰

B．大米→鼠→蛇→细菌

C．青草→鼠→蛇→鹰

D．阳光→草→鼠→蛇→人

运用快速傅里叶变换把信号中的各种（）分别分解出来，获得各种频谱图，用于诊断分析，在（）中较常采用。

本船前方河道入口处两侧有陡山，河口宽度为300米，雷达天线水平波束宽度为1º，本船离河口（）海里以外时，雷达荧光屏上河口将被两侧陡山回波堵满。

A.7.5

B.9.3

C.10.4

D.6

第二节: 完形填空（共 20 小题; 每小题 1．5 分, 满分 30 分）

A man and his wife arrived in Boston by train．After getting off the train, they walked without an    36     into the outer office of Harvard’s president．So they were stopped by his secretary and kept    37   ．For hours, the secretary took no notice of them,  38  that the couple would finally become disappointed and    39  ．But they didn’t．The secretary finally decided to disturb the president, though  40 ．

A few minutes later, the president walked towards the couple with a  41  face．The lady told him, “We had a son that  42  Harvard for one year．He loved Harvard．He was  43  here．But about a year ago, he was accidentally killed．My husband and I would like to  44  a memorial（纪念物）to him, somewhere on campus．”

The president wasn’t moved ．Instead, he was    45  ．“Madam,” he said, “we can’t put up a statue for every person who studied at Harvard and died．If we did, this place would look like a   46   ,” “Oh, no,” the lady  47  quickly．“We don’t want to put up a statue．We would like to give a  48  to Harvard．” The president rolled his eyes and  49  at the couple and then exclaimed（喊道）, ” A building! Do you have any  50  how much a building costs? We have spent over ＄7,500,000 on the campus building at Harvard．” For a moment the lady was silent．The president was  51  , because he could get rid of them now．Then the lady turned to her husband and said quietly, “Is that all it costs to start a  52  ? Why don’t we just start our own?” Her husband nodded． 53  their offer was turned down．Mr．and Mrs．Stanford traveled to California where they founded Stanford University     54   after them , a memorial to a son that Harvard no longer  55  about．

36．A．choice      B．decision        C．acquaintance    D．appointment

37．A．waiting    B．standing   C．sitting         D．talking

38．A．hoping     B．finding     C．realizing      D．imagining

39．A．go down   B．go out      C．go away       D．go around

40．A．hopelessly B．carefully   C．unexpectedly    D．unwillingly

41．A．pleasant    B．funny       C．cold         D．sad

42．A．attended   B．visited      C．studied        D．served

43．A．clever       B．brave     C．proud          D．happy

44．A．set about   B．set up       C．set down      D．set off

45．A．satisfied    B．excited     C．shocked       D．ashamed

46．A．park     B．cemetery  C．garden        D．museum

47．A．explained  B．expressed  C．refused        D．admitted

48．A．building   B．yard     C．playground      D．square

49．A．laughed    B．shouted     C．glanced        D．called

50．A．suggestion       B．idea   C．thought        D．opinion

51．A．bored              B．astonished C．interested  D．pleased

52．A．department      B．university C．business    D．club

53．A．Once         B．While       C．Since     D．Though

54．A．named      B．looked       C．taken      D．followed

55．A．talked       B．knew        C．heard     D．cared

唐朝“六学二馆”的入学要求反映了社会政治经济对教育的（）的影响。

A.受教育权

B.领导权

C.教育内容

D.体制