The president is to give a formal __ at the opening ceremony.
A
【考情点拨】考查名词词义辨析。
【应试指导】句意：总统将在开幕式上做正式讲话。giveaspeech为固定搭配，意为“发表讲话，做演讲”。debate辩论，争论；discussion讨论；argument论点，争论。
Moviegoers know that many special effects are created by computers, they often don' tknow is that these scenes still require a lot of work.
Don’t ask him how old he is. He’s really ____about it.
Doyoulikemynewshoes?Theywereonly$15.Wow!That’scheap,whata________!
Iftheirmarketingteamsucceeds,they__theirprofitsby20percent.