如下图所示,电磁铁通电时小磁针静止在图示的位置上,小磁针a端是__________极;当滑动变阻器的滑片向右移动时,电磁铁的磁性将__________。
N 减弱
下列加点词意义与现代汉语相同的一项是( )
A.令五人者保其首领
B.凡富贵之子,慷慨得志之徒
C.穷饿无聊,追购又急
D.断头置城上,颜色不少变
When administering an intramuscular injection to a neonate, which of the following muscles would the nurse consider as the best injection site
A.Deltoid.
B.Dorsogluteal.
C.Ventrogluteal.
D.Vastus lateralis.