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【简答题】
如 图所示,光滑的B放在纵截面为等边三角形的物体A与坚直墙之间,恰好匀速下滑,已知物体A的重力是B重力的6倍,不跟斜面和墙之间的摩擦,问:物体A与水平 面之间的动摩擦因数μ是多少?
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反馈参考答案：
举一反三
【判断题】Parents who are obsessed with winning and losing will lose sight of what’s really important.
A.
正确
B.
错误
【简答题】Phrase translation (Using the words we learned in parasC-D). a. 忽略,看不见 lose sight of b. 上课记笔记 take notes in class c. 顺带说句,此外 on a side note d. 社交媒体信息 social media feeds
【单选题】If you ____________ Amy, ask her to come and see me as soon as possible!
A.
catch sight of
B.
lose sight of
C.
are in the sight of
D.
are at the sight of
【单选题】I'm _ than you. [ ]
A.
two year young
B.
two years younger
C.
young two years
D.
younger two year
【简答题】仿照下面一句话写一个描述文学的句子。 文学是灯,或许它并不耀眼,但即使灯光如豆,若能照亮人心,它就永远具备打不倒的价值。 文学是 ,或许它 ,但即使 ,若能 ,它就 。
【简答题】If you pay too much attention to details, you will inevitably lose sight of the overall objective. You will inevitably lose sight of the overall objective if you __________. (fuss)
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