Types of prescription (1) . What is a placebo? (2) . How does a placebo work (3) In what ways can a placebo be used? (4) How can the effect of a placebo be tested? (5) What bad effects can a place bo have? (6)
【简答题】在下列电池中液接电势不能被忽略的是:A. Pt , H 2 ( p 1 )│HCl ( a )│H 2 ( p 2 ) , Pt B. Pt , H 2 ( p 1 )│HCl ( a 1 )║HCl
( a 2 )│H 2 ( p 2 ) , Pt C. Pt , H 2 ( p 1 )│HCl ( a 1 )│HCl
( a 2 )│H 2 ( p 2 ) , Pt D. Pt , H 2 (...