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 .

Choose the word or phrase that best complete each sentence.
She can't get home ............she has no money.




A.unless
B.if
C.until
D.without

Choose the word or phrase that best complete each sentence.
...............happens, I shall stand by you.




A.Whatever
B.What
C.Which
D.That

Choose the word or phrase that best complete each sentence.
Have you had much experience ………........... computers ? with




A.with
B.in
C.for
D.about

It gets…………….to understand what the professor has explained.




A.the more difficult
B.more difficult than
C.difficult more and more
D.more and more difficult

I can’t find my purse anywhere; I must…………..it at the cinema.




A.leave
B.be leaving
C.have left
D.have been leaving

Supply the correct form of the verb in brackets.
You (stop)........... by a policeman if you (try).............. to cross the road now. will be stopped - try




A.would be stopped - tried
B.will be stopped - try
C.had been stopped - try
D.would have been stopped - had tried

The word “brainchild” in the 2nd paragraph of the passage can be best replaced by_____.




A.child
B.product
C.father
D.born

It was very selfish of you not to pay for my drinks last night.




A.thoughtful
B.grateful
C.sensitive
D.generous

A.employment
B.property
C.tolerate
D.tendency