Food and ________ are very important to us all.
A.coat
B.clothing
C.cloth
D.coats
A.coat
B.clothing
C.cloth
D.coats
A.cut down
B.cut out
C.cut off
D.cut in
你们怎样确保食品安全?
A.How about the food safety?
B.How do you ensure the food safety?
C.What about the food insurance?
D.Can you ensure the food safety?
The term "mental food" (last sentence) refers to ______
A.books
B.grassland
C.brains
D.subjects
我们从特供商场购买食品,并加强对所购食品的检查
A.We’ll buy all the food from supermarket and check all the food we buy carefully
B.We’ll buy all the food from foreign countries and check all the food we buy carefully
C.We’ll import all the food and check all the food we buy carefully
D.We’ll buy all the food from exclusive shops and check all the food we buy carefully
各种试剂按纯度从高到低的代号顺序是()。
A.GR>AR>CP
B.GR>CP>AR
C.AR>CP>GR
D.CP>AR>GR