What dose the brain try to maintain. according to some psychologists?




A.A high temperature.
B.A low temperature.
C.A certain level of arousal.
D.A sense of safety.

"What does your son want to learn?" the man said to Mr. Hai




A.The man asked Mr Hai what his son wanted to learn
B.The man asked Mr Hai what did his son want to learn
C.The man asked Mr Hai what does his son want to learn
D.The man asked Mr Hai what his son had wanted to learn

_____(46)




A.induce
B.imply
C.suggest
D.attract

The secretary put me ________to the manager within a couple of minutes.




A.across
B.up
C.over
D.through

Who/What counts the number of hours per week that students spend learning?




A.Virtual reality
B.Teacher
C.Parents
D.Computer software

- It’s hard to get around because you don’t have a car.
- Not since I got used to ___ the bus.




A.to riding
B.to ride
C.riding
D.ride

Which of the following power sources causes pollution by emitting harmful gases?




A.sunlight
B.petrol
C.water
D.wind

Choose the sentence (A, B, C, or D) which is closest in meaning to the one given.
You will get everything you have ever wanted.




A.All your wishes have come true.
B.All your wishes will come true.
C.I want your wishes come true.
D.You will want everything you have wished

A.by surprise
B.by chance
C.with accident
D.with chance

What is shown by putting lemon juice on your tongue?




A.It shows that you have a high level of arousal if no saliva is produced.
B.It indicates your level of arousal by amount of saliva that is produced.
C.It can indicate whether your saliva is more acidic or more alkaline.
D.It is a good test of your sense of taste.