淋菌感染的潜伏期为()。
A.2个月
B.1个月
C.1~14天
D.6个月
E.以上都不是
参考答案:C
有进、出计量达5×105m3/d的输气站,每半年按要求取样一次。
连词成句。
1. you eating lunch are
?
2. honey are eating they the
3. an doing experiment I am
.
4. and ants at come a the look have
5. like to do what ants eat