欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

6.What is the relationship between the two speakers？

A.Teacher and student.

B.Doctor and patient.

C.Mother and son.

5.What did the man do during the seven-day holiday？

A.He went on a tour.

B.He went to see a doctor.

C.He went back to his hometown.

聽(tīng)下面一段對(duì)話(huà)，回答第6題和第7題。

4.What qualities does the man think are important for the job as a doctor？

A.Generous and creative.

B.Kind and confident.

C.Independent and flexible.

3.What will the couple do if it is raining this weekend？

A.Go camping.            B.Stay at home.       C.Go to the cinema

2.How many languages can Alice speak？

A.Four.                  B.Five.              C.Six.

1.What are they talking about？

A.Learning.              B.Jobs.              C.People.

(Ⅰ)若在①處填空“n＝2009”，請(qǐng)求出在輸出框②處輸出的y的值；

(Ⅱ)若在①處填空“x>2²⁰⁰⁸－4”，請(qǐng)求出在輸出框②處輸出的n的值.

6.下圖是一個(gè)程序框圖，其中判斷框①處缺少一個(gè)判斷條件，②為一輸出框.

5.有5張卡片，上面分別標(biāo)有數(shù)字0,1,2,3,4.求：

①?gòu)闹腥稳《�張卡片，二張卡片上的�?shù)字之和等于4的概率；

②從中任取2次卡片，每次取1張，第一次取出卡片，記下數(shù)字后放回，再取第二次.兩次取出的卡片上的數(shù)字之和恰好等于4的概率.

4.一企業(yè)生產(chǎn)不同型號(hào)的水泥19 500袋，它們來(lái)自甲、乙、丙3條不同的生產(chǎn)線(xiàn)，為檢查這些水泥的質(zhì)量，決定采用分層抽樣的方法進(jìn)行檢測(cè).已知甲、乙、丙三條生產(chǎn)線(xiàn)抽取的個(gè)體數(shù)組成一個(gè)等差數(shù)列，則乙生產(chǎn)線(xiàn)生產(chǎn)了

　　　　袋水泥.