烤烟成熟中下部叶的叶片结构()
A、疏松
B、尚疏松
C、稍密
D、紧密
参考答案:A
一 Whose notebook is this?
一 It _____ be Carla's. It has her name on it. [ ]
A. might
B. must
C. shouldn't
D. can't
耳颞神经()。
A.在腮腺浅面上行
B.出腮腺分布于耳部
C.出腮腺至颞区
D.是面神经的分支
E.是上颌神经的分支