24.When you are ______ about something, you are ______ to do whatever you can to get it.
A. anxious; likely B. eager; possible
C. enthusiastic; likely D. concerned; probable
23.Only in this way ______ progress in your Japanese.
A. you make B. you be able to make
C. can you make D. you can make
22.The manager and general engineer _____ very strict _____ his employees and ____ his work as well.
A.is; with; in B.are; with; in C.is; with; with D.are; in; in
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,并在答题卡上将该项涂黑。
例:It is generally considered unwise to give a child ________ he or she wants.
A.however B.whatever C.whichever D. whenever
答案是B。
21.The combination of parties to form a new government tried out to be
______ failure, but as we know, success often comes from _____ failure.
A.a; a B./; / C.a; / D./ ; a
22、(本小题满分12分)
设锐角三角形的内角的对边分别为,.
(1)求的大小;
(2)求的取值范围.
扶余县第一中学2010-2011学年度上学期第一次月考试题
21、(本小题满分12分)
已知数列中, ,
(1)设,求证:数列是等差数列
(2)求数列的通项公式
(3)设,求数列的前项和
20、(本小题满分12分)
已知数列是等差数列,且
(1)求数列的通项公式;
(2)令求数列前n项和的公式.
19、(本小题满分12分)
已知:数列是等差数列,且
求:(1)数列的通项公式;
(2)数列的前项和的最大值。
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