【简答题】在国际贸易中,某种产品的出口供给弹性和进口需求弹性取决于哪些因素?
【单选题】(Let's not) waste time on matters (of no important). We have other (vital) problems to (deal with).
【单选题】(Let's) not waste time on (matters of no important). We have other (vital) problems to (deal with).
B.
matters of no important
【单选题】(Let's not) waste lime on (matters of no important). We have other (vital) problems to (deal with).
B.
matters of no important
【单选题】By 'critical times' (para. 2) the author means ______.
A.
important stages in the child's development
B.
difficult periods in the child's life
C.
times when mothers often neglect their children
D.
moments when the child becomes critical towards its mother