How can the writer revise the introduction to be more effective? by adding an opening sentence that strengthens the hook so that the reader keeps reading all the way to the claim by deleting the first sentence so that the reader is not distracted by reasons and can get straight to the claim by splitting the second sentence into short, choppy sentences so the reader can skim them and get to the claim quickly by adding a closing sentence that rebuts the counterclaim so that the reader knows the claim is right