----What do you know the _____ of are the pig influenza in humans? ---- usually similar to regular human seasonal influenza .
#7572
A
symptoms
B
sympathy
C
symbol
D
symptom
推荐题目
In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
#7222
A
ins and outs
B
dos and don’ts
C
heads and tails
D
t’s and i’s
Monkeys in the zoo started to show the flu _____ last Monday and altogether twenty have died up to now．
#6151
A
symbol
B
sign
C
signal
D
symptom
In spite of the city’s crowded urban environment, opportunities for outdoor _______ are never lacking.
#5907
A
reception
B
reservation
C
recreation
D
regulation
It’s bad ___________ for a man to smoke in the public places where smoking is not allowed.
#5655
A
behavior
B
manner
C
action
D
way