Moderneconomics________thecountry’sagriculturalpolicies.
A、undergoesC
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
WhichofthefollowingisNOToneoftheextra-linguisticfactorsthatcausechangesinmeaning?
Wordsthatareidenticalonlyinspellingbutdifferentinsoundandmeaningarecalled______.
Fromtheviewpointofwordformation,theword“smog”isa______.
Wecannotleavethistoughjobtoaperson________.
Youshouldhelpthem________whenyourfriendsquarrelwitheachother.
