— I'm hungry. ________ there any bread in the fridge, Mum?
— None, but we have cakes. Would you like to have one?
A:Is
B:Are
C:Will
D:Have
二氧化碳饱和溶液的pH=5.6,酸性比其强的雨水称为酸雨。一场雨后从A地测得雨水的pH=4,B地测得雨水的pH=6.6,则()
举出1929—1933年资本主义世界经济危机的首发国和特点。
Smell the flowers before you go to sleep, and you may just ________ sweet dreams.