搜题请搜索小程序“爱下问搜题”
问题 多选题

关于加速度，下列理解正确的是 [ ]

A．加速度方向不变而速度方向变化

B．加速度在减小，速度在增加

C．2 m/s2的加速度比-4 m/s2的加速度大

D．物体加速度越大，速度变化越大

答案

AB

选择题
下列加粗字注音全对的一组是  
[ ]
A.沁园春(qìn) 
B.可汗(hán) 
C.花枝俏(qiāo)
D.饷银(xiǎng)    		机杼(zhù)
咏梅(yǒng) 
阿姊(zǐ)
荷箪(dān)  		军帖(tiě)
分外(fēn)
云鬓(bìn)
的卢(de)
                               
查看答案
补全对话，情景问答
根据对话内容，从方框内选出能填入空白处的最佳选项。
A. What time is it going to start?
B. Why not go with me?
C. What a pity!
D. I'm going to see a movie.
E. I hear it's very exciting.
A: Hi, Li Lei, what are you going to do this Friday evening?
B: __1__      
A: What's the name of the movie?
B: Real Steel. __2__ The scenes are beautiful and the music is pleasant.
A: Really? __3__
B: At 7:00 p.m. __4__
A: I'd love to, but my grandma is ill, I have to stay at home to look after her.
B: __5__ I hope your grandma will get well soon.
A: Thank you, Miss Liu.
查看答案