7.函数零点的个数是 ( )
A. B. C. D.
6.函数与(|)在同一直角坐标系中的图像可能是
( )
5.函数与相交形成一个封闭图形,则该封闭图形的面积是( )
A.1 B. C. D.2
4.已知函数是定义在R上的奇函数,其最小正周期为3, 且 ( )
A.4 B.2 C. -2 D.
3.函数的值域是 ( )
A B(1,2) C.R D[2,
2.下列4个命题,
,
其中的真命题是 ( )
A. B. C. D.
1.已知全集,集合和的关系的韦恩(Venn)图如图1所示,则阴影部分所示的集合的元素共有 ( )
A.3个
B.2个
C.1个
D.无穷多个
第二节:完成句子(共5题,每小题2分,共10分)
1.为了欣赏风景,她宁愿花时间做火车也不愿乘飞机。
In order to enjoy the beautiful sights, she _______ _______ spend long hours on the train _______ travel by air.
2.正是他的乐观和决心使得他受到其他人的喜爱。
_______ _______ his optimism and determination _______ made him loved by others.
3. 周六早上我很偶然的在街上碰到了我很久未见面的老师。
I _______ ________ my teacher who I hadn’t seen for a long time _______ ______ Saturday morning.
4.The president _______ _______ hard _______(过着艰难的生活) in his childhood , so he did a lot for the poor.
5.She tried to _______ her mind _______ her work(把思想集中在工作上) but she was always concerned about her six-year-old son at home alone.
第一节: 单词拼写(共8题,8分)
1. He is a kind teacher and is r________ by all his students.
2. China produces more crops and e________ a lot to other countries.
3. F_______ is the mother of success.
4. Costs have been r________ by 20% over the last year to meet the demands.
5. He is often confident and sticks to o________ the difficulties by himself.
6. The last film he s________ in was a great success and won him some awards.
7. After hundreds of years’ ________(斗争), the black slaves in the US were set free at last.
8. The mother was _________(满意的) with her daughter’s progress.
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