皮皮学，免费搜题
登录
搜题
【单选题】
向心加速度是由什么改变引起的？（）A.
位移大小
B.
速度大小
C.
速度方向
D.
位移方向
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】用适当的介词填空。 1. Go this road. 2. the road, there is a hotel. 3. There is a new car front of the building. 4. The bookshop is the left. 5. Turn right the traffic lights. 6.Can you tell me the way the libr...
【简答题】将下列词语与相对应的中文连接起来。 1. traffic lights 2. do homework 3. post office 4. go hiking 5. TV reporter 6. collect stamps 7. comic books 8. fly kites 9. have a fever 10. wash the clothes 做作业 邮局 电视台记者 交通灯 去郊游 放风...
【简答题】用适当的介词或副词填空。 1. I gathered the papers and put them in my briefcase. 2. The police officer held the stop sign so drivers could see it. 3. I just managed to catch hold Lucy before she fell in the pool. ...
【简答题】4. The lights ____ (be)
on in my neighbors' house, but the neighbors ____ (not be) home.
【简答题】用给出的词语填空,给出的词语在文章的下面 , 答案注意格式,答案格式为: 题号. 答案 比如 1. ins and outs If you want to know all the 1. of living green, then you should visit Backsbottom Farm. It is run by Rod and Jane, who have tried to be a...
【简答题】Directions: Listen to the statements and fill in the missing words in the blanks. 1. For ground operation, flight ________________ (1)duties have been organized in accordance with an area of responsib...
【简答题】Part III. Fillin the blank with the answer you choose in capital letter, like A, B, C or D. 1. A. More policemen. B. More traffic lights. C. More cameras. D. More regulations 2. A. The quantity...
【简答题】根据下列句子的描述画一幅图片。 1. Draw a Christmas tree. 2. Draw lights on the Christmas tree. 3. Draw some gifts under the tree. 4. Draw a star at the top of the tree. 5. Draw a Christmas card beside the tree.
【简答题】Directions: Listen to the passage and fill in the blanks with the exact words you ’ve heard . Interviewer: These days, why do kids spend less time outdoors? Martinez: Nature was such 1. of everything ...
相关题目：