皮皮学，免费搜题
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【单选题】
均质立方体重 P ,置于 倾角的斜面上,如图所示。摩擦系数fs=0.25 ,开始时在拉力 T 作用下物体静止不动,然后逐渐增大力 T ,则物体先( ) 。A.
滑动
B.
翻倒
C.
滚动
D.
无法判断
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】基础课程改革的目标( )
A.
在课程目标方面，实现课程功能的转变，树立学生发展为本的课程教学价值观
B.
在课程内容方面，密切课程同生活的联系，改变课程内容“繁、难、偏、旧”的现状
C.
课程结构方面，体现综合化课程特点，改变过分强调学科体系严密性的倾向
D.
课程实施方面，改变学生学习方式，改革机械记忆的学习倾向
【单选题】听力原文：M: I came at 12 o'clock when I was going home for lunch, but you weren't here. W: No, I was training for tomorrow's race. It's 26 miles, you know. Q: What was the woman doing when the man came to...
A.
Preparing for the race of Marathons.
B.
Preparing for the cycling race the next day.
C.
Training for a hiking race.
D.
Doing an experiment.
【判断题】When preparing for Q & A session, you can try to anticipate the questions your audience will ask.
A.
正确
B.
错误
【简答题】Julie was preparing for a trip when her phone slipped into a sink full of water. Panic moment! She quickly picked up the wet phone and tried to turn it on, but nothing worked. Her first reaction? She ...
【简答题】汽封的作用是什么?有哪几种分类?
【简答题】读一读，写句子。 A. How much are they B. What size C. Can I help you D. I'll take them E. What colour A: 1.____________? B: Yes, please. A pair of jeans for me. A: 2._____________? B: Size 20. A : 3.________...
【简答题】对于如图所示土壤传感器为什么使用清水不能够模拟土壤湿度的情况?简述其工作原理。
【判断题】When preparing for Q & A session, you can try to anticipate the questions your audience will ask.
A.
正确
B.
错误
【简答题】________是个性心理特征的核心部分。
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