其软骨弓平对第6颈椎,是颈部的重要标志之一()
A.甲状软骨
B.环状软骨
C.会厌软骨
D.杓状软骨
E.舌骨
参考答案:B
用所给词的适当形式填空。
1. Your clothes are the same as my_______(friend).
2. He needs_______(get)a part-time job for more money.
3.We are _______ (plan)a birthday party for my father.
4.I don't know what_______ (say) at the party.
5. She is a little serious. We should try_______( make) her laugh.
6. Everyone in my class is _______ ( friend) to the new girl.
煤的水分测定方法有()、空气干燥法、()。