问题 选择题

一次测试有25道选择题,每题选对得4分,选错或不选得0分,满分100分。

某学生选对每道题的概率为0.8,则考生在这次考试中成绩的期望与方差分别是:     

A.80;8

B.80;64

C.70;4

D.70;3

答案

答案:B

解:因为某学生选对每道题的概率为0.8,做25道试题,就是做25次独立重复试验,则利用二项分布的期望公式得到为,方差为,故选B

完形填空

阅读表达(共5小题;每小题2分,共10分)

阅读下面短文回答问题,然后将答案写到答题卡相应的位置上(请注意问题后的词数要求)。

(1)Canadian culture was heavily influenced by British culture and traditions. Now one can also notice the influence of American culture. Over the years, lots of people have moved to Canada. There has been a healthy change of Canadian’s ideas that has resulted in the development of certain special features in Canada. The people of Canada have always been proud of their diverse cultural backgrounds.

(2)Art:Canada has some of the most wonderful classical works of art . In the year 1930, artists began developing their own personal style. The“Group of seven”is considered to be the first group of native artists to create their own style.

(3)Language and religion:Because of its diverse cultures, Canada has two official languages, English and French. There is         . A number of people in Canada have confirmed that they have no religious belief, though there are many other groups that follow Protestantism as areligion.

(4)Literature:The literature of Canada basically shows the different cultural influences of other countries. Some of the early works were divided according to the region of Canada from which the author came, but there were also authors who gave a humorous touch to serous contents. A number of authors have been awarded for their literature works.

(5)Music:Music in Canada has seen many developments in styles along the way. Many Canadian musicians have earned worldwide fame. From folk music to rock, Canadian music continues to entertain people. In recent years, music from Asia and Africa has found quite a fan following in Canada.

小题1:What is the main idea of the text?(no more than 3 words)

                                                                      

小题2:Who is the first group of native artists to create their own style of art? (no more than 4 words)

                                                                      

小题3:Fill in the blank in Paragraph 3 with proper words. (no more than 3 words)

                                                                      

小题4:What does the word“their”(Line 4, Para. 1) refer to? (no more than 2 words)

                                                                      

小题5:Canadian culture has been influenced by many other countries. List all of them mentioned in the text. (no more than 10 words)

                                                                      

阅读理解与欣赏