A:酒精溶液
B:蔗糖溶液
C:氯化钠溶液
D:碘酒
Who
What
Where
John
jumping
under the tree
Amy
reading
in the study
Lily
listening to music
at school
Sam
sleeping
in the bedroom
动脉是把全身血液运回心脏的血管.(判断对错)