How can you keep fit you smoke so much?
A.as
B.while
C.when
D.for
答案:C
通过胸廓上口的是()
A.气管
B.食管
C.两者均是
D.两者均不是
国际音读字母“OFTA”代表()。
A.oliver,foxtrot,tango,alfa
B.oscar,francis,tommy,alfa
C.oscar,francis,tommy,anna
D.oscar,foxtrot,tango,alfa