目前的诊断下列哪一项是正确的
A.不协调性宫缩乏力
B.持续性枕后位
C.中骨盆狭窄
D.漏斗骨盆
E.持续性枕横位
参考答案:B
There ______ lots of bad information which is not ____ for teenagers on the Internet.
A.seem to be; suitable
B.seems to have; fit
C.seem to have; fit
D.seems to be; suitable
油浸式变压器,对于油箱高度小于2.5米的变压器,规定轮廓线应位于油箱高度的()的水平面上。
A.1/2
B.1/3
C.2/3
D.1/4