要完成步行动作踝关节的关节活动范围应在（）.A.背屈10°，跖屈15° B.背屈15

下列运算正确的是[ ]

A．x²x³=x⁶

B．x²+x²=2x⁴

C．（-2x）²=4x²

D．（-2x）²（-3x）³=6x⁵

.

Not only ________ many people's lives by reducing fever, but _______ other things that aspirin can help with.

A aspirin has saved, there also are      B has aspirin saved, there are also

C aspirin has saved, are there also       D has aspirin saved, are there also

肩胛下角水平对应（）

A.第5颈椎棘突

B.第6颈椎棘突

C.第7颈椎棘突

D.第7胸椎棘突

E.第8胸椎棘突

半径是2dm的圆，它的周长与面积相等．______．（判断对错）

气不摄血与气随血脱证均可出现（）

A.面色苍白

B.舌质淡白

C.出血

D.大汗淋漓

E.四肢厥冷