霸气甫爷
数学猎犬发现在离它10米远前方有一只奔跑的野兔,马上进追上去,猎犬的步子大,它跑五步的路程兔子要跑九步,但是兔子动作快猎犬跑两步时间兔子却能跑三步,问:猎犬至少跑多少米才能追上兔子?某种花粉颗粒的直径约是30微米,多少个这样的花粉颗粒顺次排列能达到1m?要过程,详细点! 求(2+1)*(22+1)*(24+1)*(28+1)+1的值如果(m-3)x+2y(m-2的绝对值是2y的方)+8=0是关于x,y的二元一次方程,试求m的值

人艰不拆XP
原文的意思是:未将对象引用到对象的实例.也就是没有实例化一个对象。当声明了变量,但是没有赋值,仍然为null.用的时候就会报错.还有一种情况是,出错原因:可能是你使用的语言包版本不对应(language/language.xml)或错误的修改了新闻文件。 解决方法:使用与新闻系统版本对应的语言包文件。修改新闻系统文件时不要删除已有的控件。
私人发艺工匠
题号 一 二 三 四 五 六 七 八 总分满分 10 18 15 20 17 20 100得分 得分 评卷人 一、 选出与众不同的一项(20 分)( )1、A.marker B.crayon C.honey ( )2. A.school B.classroom C.son( ) 3.A.desk B.chair C.five ( )4 A.one B.two C.jam( ) 5.A.son B.daughter C.book ( )6.A.father B.mother C.bread( )7.A.apple B.banana C.lion ( )8.A.bread B.cake C.water( )9.A.dog B.panda c.jam ( )10A.vest B.coat C.box得分 评卷人 二.根据汉语意思完成下列句子(18分)1.What’s on the desk ?--- A _____________(故事书) 2 .I have a new _______(蜡笔)3.How old you ? I’m_________(六岁) 4. What’s time is it ? _It’s__________o’clock(一点)5.Let’s go home ! _________(再见) 6.Do you like ______(水果)?得分 评卷人 三.给下列句子选择适合的表达(15)1.( )我喜欢牛奶和鸡蛋 。A. I like milk and eggs B .I love eggs.2. ( ) 给你 A.Thank you B.Here you are .3.( )这是什么? A.What’s that ? B.What’s this ?4.( )它是一只老虎。 A.It’s a elephant . B.It’s a tiger . 5.( )你几岁? A.How old you ?B.Good bye?得分 评卷人 四.请写出一到十的英文数字(20分)得分 评卷人 五.把下列词译成英语 (17分) 1英语书 2糖果 3裙子 4盒子 5冰淇淋 6 拉链 7。葡萄 得分 评卷人 六.单词填空(20分)1 .m__rker 2.on__ 3.br__ad 4.j__m 5.li__n 6.n__st 7.c__at 8.z__p 9.b__x 10.v__st 11. f__ve 12.sch__ __l 13.m__ther 14.s__ster 15.Engl__sh book 16.s__x 17.cr__yon 18.m__ngo 19.h__ney
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一根据首字母提示或汉语意思填空,完成句子。� 1.Wang Junfeng likes playing games. He is playing ________games.(电脑)2.Zh ou Yanli is playing the p_______. Her father is listening to her.3.Don’t w________the baby up. She is sleeping. (唤醒)� 4.How does Mr He u_______go to the office?� 5.Sally likes to exercise in the ________.(体育馆)� 6.My classroom is Room 419. Mary’s classroom is Room 418. My classroom is n_________to hers. 7. There are two______ (图书馆) in our school. 8.What do you usually do in your _______ (空闲的) time? 二.选择填空。( )1. —How do you usually go to school? — I usually go to school _________. A. on bus B. on feet C. by foot D. on foot ( )2 .It’s time _____ lunch. A. to B. in C. have D. for ( )3 . —______ do you go to the library? — Three times a week. A. How many B. How often C. What time D. Where ( )4 .Sometimes Li Lei ______ a bicycle over there. A. rides B. is riding C. to ride D. ride ( )5 . She often ______ after class. A. play the piano B. plays the basketball C. plays the piano D. play basketball ( )6. _____ is Ellen? She is in the gym. A. Where B. What C. How D. Who ( )7. Here is _____. A. my school plan B. my school’s planC. a plan of my school D. my plan school ( )8.What time do you get up _______ weekdays? A. at B. in C. on D. by ( )9. ____do you go to work every day? By bus. A. Where B. How C. Who D. What ( )10 . — Happy New Year! — ________. A. Thank you B.Me, too C. You do, too D. The same to you ( )11. ------What ________ do you like best? -------Biology. A. food B. subject C. sport D. music ( )12. Thank you _______ same. A. a B. the C. all the D. all a ( )13. He often plays football ____ his classmates. A. with B. in C. on D. to ( )14. They come to China ____sea. A. in B. on C. over D. by ( )15. -------It's 8:45. -------Yes, it's ________. A. fifteen from eight B. a quarter to nine C. fifteen past eight D. a quarter past nine ( )16. How ________ are there over there? A. many boy B. much boy C. much boys D. many boys ( )17. The players are playing ________ football. A. a B. an C. the D. / ( )18. My sister and I ________. A. is doing my homework B. are doing our homework C. am doing our homework D. are doing our homeworks ( )19. Is she ________ TV now? A. see B. watching C. looking for D. looking at ( )20. Which is the first day of the week? A. Weekday B. Monday C. Sunday D. Saturday 三.根据汉语意思完成句子。1. 你最喜欢哪种运动? What’s your favorite ________? 2. 现在几点?9点。________ _____________is it? It is 9 o’clock.. 3.今天星期几?星期一。What ________ is it today? It is ________________ . 4. 他一点也不喜欢跳舞。He __________ like dancing ________ _____________. 5. 他们正在踢足球。 They are ______________ ______. 四 用所给词的适当形式填空。1. The students are in different ____________(class). 2. How many English ________(lesson) do you have every week? 3. ______________(swim) is a good sport. 4. Listen! Who__________________(sing) an English song? 5. They ________ (go) to work after breakfast. 五. 句型转换。1. They have P. E. lesson every Thursday. (改为一般疑问句) ________ they ________ P. E. lesson every Thursday? 2. I clean the room every day. (用now改写现在进行时态的句子) I ________ _____________the room ________. 3. I come to school by bus. (改为同义句) I _________ a bus to school. 4. The girl is watching TV at home. (对划线部分提问) ________ is the girl ______________ at home? 五.阅读理解。 Wang Wei is a student of Grade One. He usually gets up at fifteen to six. At half past six, he takes exercises. After that, he has breakfast and goes to school. At eight o’clock, he has English. They have five classes in the morning. At about twelve, he has lunch. Classes begin at two in the afternoon. Now they’re have a P.E. class. He is good at soccer. After school, He likes to go the gym. He plays soccer there. He goes home at five fifteen. Wang Wei often has supper with his parents at home. Sometimes they eat out. After supper he goes skating. He likes reading novels very much. At about nine, he goes to bed. ( )1. What time does Wang Wei usually get up ? A. At six forty-five. B. At five forty-five. C. At 6:45. D. At fifteen past five. ( )2. Wang Wei has ____classes in the morning. A. six B. four C. five D. three ( )3. What is he good at? A. Play football B. Playing at the football C. Soccer D. Reading novels ( )4. He goes to bed at about ______. A. 9:00 in the morning B. 21:00 C.20:00 D. 21:00 in the morning ( )5. Where does he have supper? A. At school B. At home C. In school D. In home 六。短文 以(My day )为题描述我的一天。至少6句。 My day
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