二战结束后，美国的霸权主义政策表现为两种形式，在欧洲是“冷战”，在亚洲是“热战”

在“青草→食草昆虫→蜘蛛→食虫鸟→猫头鹰”这条食物链中，占生态系统总能量比例最多和最少的消费者依次是（　　）

A．猫头鹰和食草昆虫

B．青草和猫头鹰

C．食草昆虫和青草

D．食草昆虫和猫头鹰

Mary and Sam are ___  . They are from      .

A．Japan; Japanese

B．Japanese; Japan

C．Japan; Japan

D．Japanese; Japanese

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，然后从各题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该项涂黑。

A Beautiful Dress

My neighbor’s eight-year-old daughter used to live in the countryside, her native place. Recently her parents   51  her to town to live with them. Wild and uneducated, she would use   52  words when she was angry. Sometimes she went so far as to   53  on the ground, to the   54  of all people around. Her parents tried to   55  her by beating and kicking. However, she became more   56 . Finally they became thoroughly   57  with her.

One day their next-door   58 , a retired teacher, gave the girl a snow-white dress, which was very   59 . It immediately caught the girl’s   60  and made them shine brightly.

The girl put on the dress and became quite a   61  person. She no longer acted rudely or hit others. She   62  seldom rolled on the floor. She knew running wild was not   63  for her in a beautiful dress. Since then, the girl had been   64 , neat, and lovely.

The story set me   65  a lot. Perhaps everyone has a beautiful dress   66  somewhere in his or her heart. Only some people are not aware of it,   67  it or take no notice of it.   68  is a powerful force or weapon — that’s something   69  by many of us. It can arouse fine qualities that humans are   70  with but have so far hidden somewhere. It has a soul-shaking influence that is indeed unmatched.

51. A. left                 B. brought              C. met                     D. taught

52. A. dirty              B. new                    C. creative               D. attractive

53. A. trap                    B. weep                        C. roll                          D. jump

54. A. surprise          B. delight                        C. mercy                     D. regret

55. A. advise             B. encourage             C. support                D. educate

56. A. mature                B. violent                            C. changeable               D. considerate

57. A. tired                B. pleased                 C. relaxed                D. disappointed

58. A. office             B. stranger                 C. neighbor                D. apartment

59. A. beautiful             B. modern                    C. shabby                     D. fragile

60. A. attention        B. ears                     C. eyes                        D. imagination

61. A. rude               B. different             C. violent                  D. unique

62. A. even             B. also                  C. still                   D. ever

63. A. bad              B. much                C. enough              D. suitable

64. A. voluntary            B. conscious                 C. merciful                   D. gentle

65. A. imagining         B. moving                 C. thinking                 D. puzzling

66. A. ruined           B. hidden               C. disappeared           D. rediscovered

67. A. forget                 B. criticize                    C. advocate                   D. remember

68. A. Love              B. Violence             C. Beauty                        D. Honesty

69. A. cared              B. valued                  C. unlearnt                  D. unrealized

70. A. dealt                B. born                      C. grown                     D. lived

关于内毒素性质，错误的叙述是（）

A.来源于革兰阴性菌

B.用甲醛脱毒可制成类毒素

C.其化学成分是脂多糖

D.性质稳定，耐热

E.菌体死亡裂解后释放

我国堤防工程主要为（），其次为（）。