With what topic is this passage mainly concerned?




A.impaired memory of patients
B.cures for Alzheimer’s disease
C.the use of rats as experimental subjects
D.nerve growth factor as a cure for Alzheimer’s

Identify one mistake in the following sentences:
The average adult has got from two to five colds each year.




A.the
B.has got
C.to
D.colds

_____(32)




A.be rising
B.to rise
C.to be risen
D.to be rising

Choose the best option
"Is that a new coat?" "Yes, what _____ it?”




A.are you thinking of
B.do you think of
C.is your idea about
D.did you think about

______ you cut down your carbohydrate intake, you _______ weight by now.




A.Did/ would lose
B.Were/ would have lost
C.If/will lose
D.Had/would have lost

Tom: “Can I bring a friend to your party?”
Kyle: “______.”




A.Straight away
B.That’s right
C.The more the merrier
D.Beggars can’t be choosers

______ , the woman was visibly happy after the birth of her child.




A.Tired although she was
B.She was tired
C.Despite tired
D.Though tired

That book is by a famous anthropologist. It’s about the people in Samoa______ for two years.




A.that she lived
B.among whom she lived
C.that she lived among them
D.where she lived among them

Which of the following is closest in meaning to the word “deterioration”?




A.depression
B.deduction
C.decline
D.disconnection

Which of the following can be inferred from the passage?




A.Alzheimer’s disease is deadly.
B.Though unsuccessful, the experiments did show some benefits derived from nerve growth factor.
C.The experiments did not show any significant benefits from nerve growth factor.
D.More work needs to be done to understand the effects of nerve growth factor .