中鼻甲是下述哪一骨的一部分()。
A.犁骨
B.筛骨
C.蝶骨
D.齿槽骨
E.上颌骨
参考答案:B
用括号内所给动词的适当形式填空。
1. Could you please _____ (take) out the trash?
2. Would you like _____ (go) shopping with me?
3. Would you mind _____ (clean) the living room?
4. Let's _____ (do) the dishes, shall we?
5. Shall we _____ (have) a picnic this afternoon?
膜的液态镶嵌模型