下图中,表示物体不是做匀速直线运动的图象是()

题型:选择题

问题:

下图中,表示物体不是做匀速直线运动的图象是                          (   )

考点:其他运动图像
题型:选择题
Early one morning, an old woman was carrying a big basket of potatoes on her head to the market. She hoped to        them to the people from town.
The mountain road was narrow (窄的) and the old woman was walking      , because she did not want to have       and lose her potatoes.
Suddenly she        a loud bell, and a bicycle came round the corner.
It passed her and went very fast       the hill. The old woman had to jump to one side of the       so quickly that the basket of potatoes nearly fell into the valley (山谷).
She looked up and saw that a young boy was on the bicycle. He was        on without even      round to see whether the old woman was all right. The old woman began to shout, “Come back, young man! You dropped something!”
When he heard this, the boy stopped the bicycle so suddenly that he nearly fell off. Then he turned and began to        the bicycle back up to the hill. “What is it?” he asked, “What did I drop?”
“Little boy,” the old woman answered, “you dropped your        .”
小题1:
A.sendB.giveC.sellD.take
小题2:
A.carefulB.carefullyC.politelyD.quiet
小题3:
A.a matchB.a restC.an accidentD.a talk
小题4:
A.hitB.madeC.foundD.heard
小题5:
A.downB.upC.toD.over
小题6:
A.roadB.streetC.townD.hill
小题7:
A.drivingB.ridingC.runningD.walking
小题8:
A.sawB.watchedC.lookingD.found
小题9:
A.carryB.catchC.giveD.push
小题10:
A.fruitB.potatoesC.manners (礼貌)D.bicycles
题型:选择题
分母有理化:
1
12
=______; 
b
a
=______(a>0).
题型:选择题

方程3x+2=0的解是(    )。

题型:选择题

在傅乐成主编的《中国通史》中有如下记载:“东汉大约有八十年稍安的局面。其余时间的农民,莫不时时处于破产沦亡的危机之中。贫民最多的时代,尤以东汉为甚。根据史籍记载,东汉诸帝,无一不忙着赈济贫民……”材料主要反映了东汉

A.国家税源枯竭

B.政府无力从事农村救济事业

C.农民赤贫化的程度加深

D.国家的经济结构被破坏

题型:选择题

关于沥青混合料骨架—密实结构的特点,下列说法有误的是()

A.密实度大;

B.具有较高粘聚力;

C.具有较高内摩阻角;

D.是沥青混合料中差的一种结构类型;

更多题库