大于6岁儿童,喉的最狭窄部位是()
A.声门裂处
B.甲状软骨水平
C.喉咽部
D.环状软骨水平
E.以上都不是
参考答案:A
I hope you don’t mind ____ at your newspaper.
A.I look
B.my looking
C.I looking
D.my to look
"Genius" is a complicated concept, _ _ many different factors. [ ]
A. involved
B. involving
C. to involve
D. being involved