26. It suddenly_____ to me that I could use a computer to do the job.
A. erupted B. caused C. occurred D. happened
25. Knowledge learnt from books doesn’t have the same effect on a child
as_____through practice.
A. those B. one C. it D. that
24. London is a most beautiful city in Britain, _____ the River Thames.
A. located in B. lied on
C. situated on D. stood in
23. Ryan’s family____ very large and his family____all fond of going hiking.
A. is; are B. are; is C. is; is D. are; are
第一节 单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
21. At that time the US was at_____war with Iraq, and Shirley worked as_____doctor in the army.
A. a; a B. the; a C. /; a D. the; /
pared with 2 million tons last year, our coal output has increased _____
three times; that is to say, our coal output has increased_____8 million tons
this year.
A. to; to B. to; by C. by; by D. by; to
18.在等差数列{an}中,a1=2,a17=66,
(1)求数列{an}的通项公式;
(2)88是否是数列{an}中的项.
|
17.求过直线x+y+1=0 与 2x+3y-4=0的交点且斜率为-2的直线方程.
16.若是数列的前n项的和,,则___
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