①鼻腔 ②支气管 ③喉 ④肺泡 ⑤气管 ⑥咽
A:①②③④⑤⑥
B:①⑥③⑤②④
C:①③⑥⑤②④
D:①⑤②③⑥④
① Look at the pigs. ____ A. Baa…baa…!
② It’s a white sheep. ____ B. Moo…moo…!
③ I can hear a horse. ____ C. Oink…oink…!
④ I have a duck. ____ D. Neigh…neigh…!
⑤ I can see a cow. ____ E. Ouack…quack…!
一个正方体的表面展开如图所示,则正方体中的A所在面的对面所标的字是( )