A:互余
B:相等
C:互补
D:不等
过抛物线y2=4x的焦点且与直线y=2x+1平行的直线方程是( )
Name: Macy
Age: 10
Country: Canada
Family: father, mother, brother and me
School: Garden Primary School
Favourite subjects: Music, Art
Hobbies: drawing, playing the piano
Dear Wang Li,
Thank you for your email and your photo.
I'd like to be your e-friend too.
I am from
Write soon.
Yours
Macy
酵母菌在有氧和无氧时,分别将葡萄糖分解为( )
①酒精 ②二氧化碳 ③二氧化碳和水 ④二氧化碳和酒精.