It can be inferred that short-term memory is called "working" memory because________.
A.we use it extensively when we are working.
B.it holds information we are working on at a given moment.
C.it is very difficult to use effectively.
D.we must work hard to retrieve information from it.

According to the passage, which type of information is sent to short-term memory?
A.Information we need for three seconds or less.
B.Information that is relevant to us.
C.Information that surprises us.
D.Environmental stimuli we do not perceive.

According to the passage, typists are unable to recall information they type if__________.
A.they are tired.
B.they are distracted by something or someone.
C.they have too much work to be able to process it all.
D.they do not recognize it as meaningful enough to remember.

The word "They" in paragraph 1 refers to__________.
A.psychologists
B.information
C.memory structures
D.environmental stimuli

_______(22)
A.to sending
B.to take
C.to send
D.to taking

_______(23)
A.tour guide
B.tourist business
C.tourist centre
D.tourist attraction

_______(25)
A.antique
B.old
C.aged
D.ancient

Crime invention is as crucial in the workplace like it is in the home or neighborhood.
A.Crime invention
B.crucial
C.like
D.neighborhood

Of the more than 1,300 volcanoes in the world, only about 600 can classify as active.
A.volcanoes
B.only
C.classify
D.active

Finished her household chores, Mary decided to do some shopping.
A.Finished
B.household chores
C.to do
D.shopping