Watch the video. What does Mateo order? Tick the correct items.
A. chicken soup
B. iced coffee
C. chocolate pie
D. chicken salad
E. iced tea
F. chocolate cake
Watch the video. What does Hector order? Tick the correct items.
A. taco
B. fried rice (炒饭)
C. onion rings
D. cheeseburger
E. French fries
F. soda
不可进行人工培养的原核微生物是( )。
A. 衣原体
B. 立克次氏体
C. 支原体
D. L-型细菌