A．Because she is ill.
B．Because she is cold.
C．Because she likes buying heavy coats in summer.
D．Because heavy coats are cheap in summer.

The writer gives the example of national defense in paragraph 2 in order to show that______.
A．there will be no safety if there is no national defense
B．all the people should be responsible for national defense
C．a public good is a shared benefit for the whole society
D．some public goods are more important than others

According to the author, a good school and its teachers should not
A．set out strict disciplines and punish children.
B．ignore proper teaching method.
C．require children to attend lessons regularly.
D．regulate the children's behavior. by adult standard.

During the examination you are supposed to stay in your seats, to keep your eyes on your papers, __ to anyone.
A．but could not talk
B．not talk
C．and not to speak
D．rather than

According to the author, the difference between Summerhill and other conventional schools is that Summerhill
A．has a well-planned timetable for the teachers.
B．treats children as a person.
C．prevents children from fighting and crying.
D．helps children recover from depression.

Summerhill, according to the passage, is
A．a discipline-centered school.
B．an instruction-centered school.
C．a teacher-centered school.
D．a students-centered school.