7.已知平面区域
,向区域
内随机投一点P,点P落在区域M内的概率为
A.
B.
C.
D.![]()
6.某会议室第一排共有8个座位,现有3人就座,若要求每人左右均有空位,那么不同的坐法种数为
A.12 B.16 C.24 D.32
4.甲乙两名运动员在某项测试中的8次成绩如茎叶图所示,
,
分别表示甲乙两名运动员这项测试成绩的平均数,
,
分别表示甲乙两名运动员这项测试成绩的标准差,则有
A.![]()
B.![]()
C.![]()
D.![]()
3.设等差数列
的前
项和为
,
则
等于
A.10 B.12
C.15 D.30
2.函数
的最小值和最小正周期分别是
A.
B.![]()
C.
D.![]()
1.设集合
,
,则下列结论正确的是
A.
B.![]()
C.
D.![]()
第二节 书面表达(25分)
写一篇100字左右的游记,写给你留下印象的你所去过的地方。可以用一下的词汇和句式:the most impressive place, it’s…kilometers from…to…, …is close to…,
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第一节 短文改错(共10小题;每小题1分,满分10分)
文中共有10处语言错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(Λ),并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1.每处错误及其修改均仅限一词;
2.只允许修改10处,多者(从第11处起)不计分。
It is five years now since I graduate from No.3 High School. Last Saturday, the
class that I was on held a get-together, which took us a long time prepare. It
was indeed not easy to get in the touch with everybody and set a well time for
all of us. We all enjoyed this precious day greatly, remember the time we spent
together and the people they were familiar with. It was a pity which some of us
was not present as they had gone abroad for further studies, but they called
back or sent greeting card from different places.
76.________ 77.________ 78._________ 79._______ 80.________
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