①烧杯②试管③酒精灯④石棉网⑤试管夹⑥铁架台.
A:①③④⑥
B:②③④⑥
C:①③④⑤
D:②③⑤⑥
序号
液体
深度
橡皮膜方向
压强计左右液
面高度差/cm
1
水
3
朝上
2.8
2
朝下
朝侧面
4
6
5.8
5
9
8.4
盐水
9.2
一位同学用成语给自己“画像”:突出的优点——知过必改;明显的缺点——粗枝大叶;待人接物——与人为善;理想——品学兼优。
请你也用成语给自己“画像”,让大家对你有一个初步的印象。(请任选三项作答,不得照搬上面那位同学使用过的成语)
突出的优点:____;明显的缺点:____
待人接物:____;理想:____
The bird and the tree are friends.The bird often sings songs in the tree.Autumn comes.The bird has to fly to the south.Spring comes.The bird comes back,but she can’t see the tree.Grass tell her some workers cut the tree down and took him to a factory.Then the bird flies to the factory.The workers told her they cut the tree into wood.They used the wood to make matches.Then they took the matches to a village.The bird flies to the village and sees a girl used the last match to make the fire.The bird sings a sad song to the fire.
判断对错.
带分数是假分数的另一种表示形式.