皮皮学，免费搜题
登录
搜题
【简答题】
下列各题只列算式（或方程），不计算． ①一剪去它的 2 3 ，还剩30米，这原有多少米？______ ②有两，第一堆25.5吨，第二堆比第一堆的2倍少1.5吨．这第二重多少吨？______ ③一个圆锥形的小麦堆，量得底面直径是4米，高0.9米．这堆小麦的体积是多少立方米？______ ④小九月份实际用电120千瓦?时，比计划节约了30千瓦?时，节约了百分之几？______ ⑤一本书，每天读10页，20天读完，如果提前2天读完，每天几页？______．
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】单词填空。 Wang Ping was _____ (born) in1991 in Shanghai. She swims very well and now is _____ (study) in our school. She hopes to _____ (become) a number of the national team and win at the 2008 Olympic G...
【简答题】配对阅读 ( )小题1: Paul is a Chinese film director. He want to know more about world famous directors and their directing style, and learn something from them. ( )小题2: Helen has played some characte...
【简答题】根据句意，用所给单词的适当形式填空。 小题1:I didn’t want to be treated （different）from anyone else. 小题2:When she was in her (twenty), she began to study Japanese. 小题3:Compared with his twin brother, he does (well) in Eng...
【单选题】设全集U={0,1,2,3,4,5,6},集合A={2,3,4,6},则A在U中的补集是( )
A.
{0,2,3,4,5,6}
B.
{2,3,4,5,6}
C.
{0,1,5}
D.
∅
【单选题】所谓“历史之树长青”，不正确的是
A.
历史永远不能被终结
B.
每一代人都有每一代眼中的历史
C.
各个时代不同的人也有各自眼中的历史
D.
最终人类能够穷尽所有的历史
【单选题】设全集U是实数集R，M={x|x 2 ＞4}，N={x|x≥3或x＜1}都是U的子集，则图中阴影部分所表示的集合是 [ ]
A.
{x|﹣2≤x＜1}
B.
{x|﹣2≤x≤2}
C.
{x|1＜x≤2}
D.
{x|x＜2}
【单选题】What can be known about Maya ’ s dream?
A.
She dreams of becoming a TV hostess.
B.
She hopes to be helpful to animals.
C.
She plans to study at college.
D.
She looks forward to working with Tiffany.
相关题目：
【单选题】设全集U={0,1,2,3,4,5,6},集合A={2,3,4,6},则A在U中的补集是( )
A.
{0,2,3,4,5,6}
B.
{2,3,4,5,6}
C.
{0,1,5}
D.
∅