9.Please notice these words as ______ as possible in order not to make the same mistakes.

　　A) careful            B) more careful    C) more carefully      D) carefully

　　10. Michael seemed very ______ when Miss Green praised him for what he did for the class.

　　A) exciting    B) excited    C) sad    D) sadly

　　11. As people get older, their short-term memory becomes________ and they can’t remember things clearly.

　　A) bad                B) worse             C) better              D)good

　　12.When an earthquake happens, you should go outside as ________ as possible.

　　A) quick                B) quicker            C) more quickly        D) quickly

　　13. Although Jack is _______ manager in the company, he is popular.

　　A) serious    B) more serious    C) most serious    D) the most serious

　　14he Shanghai Disneyland will be one of ________ theme parks in the world.

　　A) large    B) larger     C) largest    D)  the largest

　　15.Jack took music _____ than any boy in his class, so he was successful.

　　A) less seriously    B)seriously            C) more serious          D) more seriously