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【多选题】
如图所示,质量 m = 2 kg 的小球用细绳拴在倾角 θ = 37° 的光滑斜面上,此时,细绳平行于斜面但小球与斜面无挤压. G 取 10 m/s 2 . 下列说法正确的是 ( )A.
斜面向右匀加速
B.
斜面向右匀减速
C.
斜面加速度约为 13.3 m/s 2 .
D.
斜面向左匀减速
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反馈参考答案：
举一反三
【单选题】Chinese teachers hold the opinion that skills should be acquired as early as possible, while American educators think that creativity should be acquired early.
A.
T
B.
F
【单选题】如果完全竞争市场中的厂商在短期均衡产量上,AR小于SAC,但大于AVC,则厂商( )
A.
亏损，立即停产
B.
亏损，但继续生产
C.
亏损，但生产不生产都可以
D.
不亏损
【单选题】Why so many students graduate from high school with inadequate skills in reading and mathematics is a question that continues to _______ American educators.
A.
harass
B.
intimidate
C.
trouble
D.
oppress
【判断题】Chinese teachers hold the opinion that skills should be acquired as early as possible, while American educators think that creativity should be acquired early.
A.
正确
B.
错误
【简答题】扎止血带应在伤口的近心端，并尽可能靠近 [填空(1)] 伤口。上肢为上臂上 。A. 1/3处
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