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.
聽下面一段對話,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=
(Ⅱ)若在①處填空“x>22008-
6.下圖是一個程序框圖,其中判斷框①處缺少一個判斷條件,②為一輸出框.
5.有5張卡片,上面分別標有數(shù)字0,1,2,3,4.求:
①從中任取二張卡片,二張卡片上的數(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)不同型號的水泥19 500袋,它們來自甲、乙、丙3條不同的生產(chǎn)線,為檢查這些水泥的質(zhì)量,決定采用分層抽樣的方法進行檢測.已知甲、乙、丙三條生產(chǎn)線抽取的個體數(shù)組成一個等差數(shù)列,則乙生產(chǎn)線生產(chǎn)了
袋水泥.
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