【单选题】Acupuncture at the points Zhongwan (Ren 12), Zusanli(S 36),Neiguan(P 6),Shenmen(H 7)and Sanyinjiao(Sp 6)is often used to treatinsomnia caused by ( ) .
A.
deficiency of the heart and spleen
B.
flare-up of fire resulting from a deficiency of yin
【单选题】When you rub a plastic comb on wool, the comb becomes negatively charged. Which of the following is NOT a possible mechanism of charging the comb?
A.
Positively charged ions are transferred from the comb to the wool.
B.
Negatively charged ions are transferred from the wool to the comb.
C.
Individual electrons are transferred from some of the atoms of the wool to the comb.
D.
Individual protons are transferred from the nuclei of some of the atoms in the comb to the wool.