中国无人机发展演讲稿

下雨了,打雷了,怎么办? 猎豹为什么会跑得很快? 填空题目8、9 8.9两题填空 颐和园记叙的游览顺序是什么?并说出每个景点的特点 假定有两次声音传到人耳朵里,如果这两次声音到达人耳的先后时间间隔大于或等于0.1S,人耳就能够把这两次声音分辨开,也就是说,如果两次声音传到人耳的时间间隔不足0.1S,人耳只能听到一次 怎样游览颐和园 1KG,20℃的水吸收4.2×10的5次方J的热量后,他的温度在下列给出的四个温度中,最多的有几个可能温度1,80℃ 2,100℃ 3,120℃ 4,130℃A,1 B,2 C,3 D,4 《颐和园》是按什么顺序写的城市中 心跳跳动时发声吗?为什么?正常人不能听到自己心跳的可能原因是什么?想一种听到自己心跳的方法.规范一点,是个大题 Tom is maths book is on the fioor.对on the floor提问 两个月饼 英文翻译 仿造四年级下课文颐和园写作文：游（ ）500字 Thanks.Oh,your___is on the sofa It was on the sofa__your dos is sitting A:__________.B：Your alarm clock?Is it on the table?A：_________.B：Is it on the sofa?A:_________Thanks,Mom.B：Take it to your bedroom,please.A：Ok,Mom.________.B：Your keys?They are on the desk.A：________.B：No,they aren‘t.They are your s my watch is on the sofa变否定句 ( ) is your friend,on the sofa or on the chair. 英语翻译非常紧急,,下面的一个客户给我发的邮件,不知道怎么翻译.1、my boot production is already behind schedule because of this stuff up.2、 I can't be stuffed around在下感激不尽! Where are my keys?将答语补充完整.Is the baseball on the sofa?做否定回答 有三到题,有内口半径分别为6厘米和8厘米,高度相等的两个圆柱形容器甲和乙,将装满的甲容器中的水全部倒入乙容器,水深比容器高的7/8还低2厘米,那么容器的高是多少厘米?某人从甲地到乙地, 这三题我不会做 1.She expected her daughter _____ (win) first prize in the speech competition.2.Ninety percent of our classmates agreed _____(choose)Laura as our new monitor.3.my parents are thinking about _____(travel)to boston. 3题怎么做,我不会了谢谢大家 （急）改错题,如下： 1.Who bog is that? 2.Whose is that girl? 3.this book is mine book4.These clothes are her5.Look at the sweater ,it s Lily请大家答的时候在前面加1234 whose bag is this see,the girl by the door.it is----[her]原因呢 用比喻句写一个交代时间的句子 第三题,25又4分之1?我不会 对划线部分提问:The old man is( on the sofa)急.本人一直在线,好的加分 The old man is bill is grandfather 对bill is grandfather提问 Tom's socks are 对on the sofa提问. the man over there is Tom's father?对Tom's 提问