A:甲乙丙丁
B:甲乙丁丙
C:丙丁乙甲
D:丁丙乙甲
The little boy is ________ to know how the people in the South Pacific Ocean are living. ( )
按拼音写汉字
tàn wàng
zāi zhòng
sū lián
yáo huàng
xīn shǎng
qī zi
____
如图为人体某处的血管结构和血流方向示意图.下列有关叙述正确的是( )