知识的巩固主要是通过（）和（）这两个记忆环节来实现的。

Which of the following expressions is closest in meaning to 'bat an eye over' (Line 2, Para. 5)?A．care aboutB．rejoice overC．ignoreD．feel unfamiliar with 点击查看答案

According to the author, privacy fears are generally______.A．a response to information leakageB．a result of rational thinkingC．an emotional reaction to the unknownD．a necessary protection for ourselves 点击查看答案