What does "balk" mean in the third paragraph？A．acceptB．refuse to complyC．suspectD．challeng

What does "paying attention" mean in the 4th paragraph？A．Putting concentration on unexpect

What does "picket stores" in the text mean？A．Protest in front of the store.B．Break into th

What does the word "defensive" mean in the passage？ 查

What does the author mean by $quot;What does the author mean by "context"？<br/>A．It refers to long-term memory.<br/>B．It refers to a new situation.<br/>C．It refers to a store of knowledge.<br/>D．It refers to the search engine.<br/

What is the original meaning of "birdbrained" and what does it mean here in the first para

What does the word“bottlenecks”(Para.2)mean in th