Modern economics ________ the country ’s agricultural policies.
正确答案： C
本题解析：
现代经济学是国家农业政策的基础。考查形近动词词义选择题。 A 经历，经受 B 了解 C 成为…的基础 D 承担，保证
Washing the food down with water as a substitute ________ chewing is not a good habit
He ________ his poor judgment ________ Jet Lag.
Police are ________ the disappearance of two children.
Each of us should _______ aside a few minutes to have a rest every day.
We were told that the stone figure _______ back to the 16th century was of great value.
Perseverance is a kind of quality and that is _______ it takes to do anything well.
You should help them ________ when your friends quarrel with each other.
We are interested in the weather because it _______ us so directly—what we wear, what we do and even how we feel.
—David has made great progress recently. — _______，and _______.