18．听第16段材料，回答第22至25小题． 22．How many American people have salad every dayaccording to the survey？ A.78% ofthem． B.87% of them． C.97% of them． 23．Which is unnecessary for making salad？ A．Buying theexpensive vegetables． B．Cutting up allthe vegetables． C．Cleaning allthe vegetables． 24．In order to make it more delicious，what can youput in the bowl？ A．Yogurt andtea． B．Yogurt and honey C．Tea and honey． 25．What is this passage mainly about？ A．It's aboutmaking vegetable salad． B．It's abouteating a balanced diet． C．It's about howto cook an Italian dish．
