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举一反三
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【多选题】轴线翻身时，应注意：（）
A.
保持整个脊椎平直
B.
翻身角度不可超过60°
C.
有颈椎损伤时勿扭曲或旋转患者头部
D.
翻身角度不可超过70°
E.
颈椎或颅骨牵引患者，翻身时不可放松牵引
【单选题】MCS-5l 单片机 SFR 的存储空间 是 。
A.
00H ～ 3F H ；
B.
00H ～ 7FH ；
C.
80 H ～ FF H ；
D.
00H ～ 9F H 。