问题
单项选择题
1,9,18,29,43,61,( )
A.82
B.83
C.84
D.85
答案
参考答案:C
解析: 三级等差数列。后一项减前一项得到二级等差数列8,9,11,14,18,(23),后一项再减前一项得到l,2,3,4,(5),所以括号中应为23+61=84,故选C。
1,9,18,29,43,61,( )
A.82
B.83
C.84
D.85
参考答案:C
解析: 三级等差数列。后一项减前一项得到二级等差数列8,9,11,14,18,(23),后一项再减前一项得到l,2,3,4,(5),所以括号中应为23+61=84,故选C。
第三部分:阅读理解(共两节,40分) 第一节:(共15小题;每小题2分,共30分) 阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。 STUDY CENTER COURSES
A.From Paragraph to Essay B.Tense about Tenses C.Source Material D.Media Use 57.Which of the courses can develop the students’ team work? A.From Paragraph to Essay B.The Short Story C.Caught for Speeding D.Express Yourself 58.From where can a student read this? A.On the radio. B.On television. C.In a local newspaper. D.On a school notice board. |