A.head
B.ability
C.knowledge
D.understanding

A.place
B.minute
C.scene
D.spot

A.was dismissed
B.was acclaimed
C.was criticized
D.was penalized

A.very angry
B.very busy
C.very worried
D.very happy

A.create
B.show
C.do
D.make

A.chin
B.collar
C.sleeves
D.vest

A.have
B.do
C.take
D.make

A.body
B.legs
C.skin
D.bones

A.train
B.line
C.chain
D.series

A.NaNO3.
B.NaOH.
C.MgCl2.
D.KCl.