[单项选择]What does the customer collect before he or she leaves
A. The bag.
B. The printed slip.
C. The metal basket.
D. The cash.

[单项选择]What does she do in the morning

[单项选择]What does she think of her Athens Games


A. She thinks it an incentive.
B. She feels frustrated.
C. She is very-excited.
D. She thinks she has reached a new level there.

[单项选择]What does "He wisely refused to spend his money" mean

[单项选择]What he does, he always does it well, though he has some difficulties.
A. What
B. it
C. though
D. some

[单项选择]

What does a scientist do when he or she "explains" something Scientific explanation comes in two forms: generalization and reduction. Most psychologists deal with generalization. They explain particular instances of behavior as examples of general laws. For instance most psychologists would explain a pathologically strong fear of dogs as an example of classical conditioning. Presumably, the person was frightened earlier in life by a dog. An unpleasant stimulus was paired with the sight of the animal (perhaps the person was knocked down by an exuberant dog) and the subsequent sight of dogs evokes the earlier response--fear.
Most physiologists deal with reduction. Phenomena are explained in terms of simpler phenomena. For example, the movement of a muscle is explained in terms of changes in the membrane of muscle cells, entry of particular chemicals, and interactions between protein molecules within these cells. A molecular biologist would "explain" thes
A. A child chokes on a fishbone and as an adolescent is reluctant to eat fish.
B. A person feels lonely and after a while buys a dog for companionship.
C. A child studies science in school and later grows up to become a teacher.
D. A person hears that a snowstorm is predicted and that evening is afraid to drive hom

[单项选择](What) he does, he always does (it) well, (though) he has (some difficulties).
A. What
B. it
C. though
D. some difficulties

[单项选择]He keeps on saying, "I'm broke". What does he mean （） that.
A. in
B. by
C. on
D. with

[单项选择]What does the president say he is doing

[单项选择]What she does is often contrary ______ what she says.
A. upon
B. in
C. to
D. for

[单项选择]What she does is often contrary ______ what she says.
A. upon
B. in
C. to
D. for

[单项选择]What does a man do when he cannot get exactly what he wants
A. He buys a similar thing of the colour he wants.
B. He usually does not buy anything.
C. At least two of his requirements must be met before he buys.
D. So long as the style is right, he buys the thing.