—Mrs. Wang was sent to teach English in a poor mountain village last year.

—She said she would never forget some pleasant _______ while working there. [ ]

A. experiments

B. expressions

C. experiences

D. emotions

足月儿外观特点下述哪项不符合（）

A.头发分条清楚

B.软骨发育好，耳舟直挺

C.肤色红润，毳毛少

D.乳腺结节＜4mm

E.指甲达到或超过指尖