This will be a year of action, and that action should begin by extending unemployment insurance for Americans who were _______ in the economic slowdown.

A．laid out

B．laid off

C．laid on

D．laid down

下列哪项不是协调性宫缩乏力的表现（）

A.子宫收缩力较弱

B.收缩持续时间长

C.宫缩间隔时间长

D.子宫收缩具有正常的节律性、对称性、极性

E.宫缩时，用手指压宫底肌壁仍有凹陷