问答题

Few people have conducted research on the relations between malaria and obesity because
A．more and more people suffer from obesity in me developing world.
B．only a small number of the rich suffer from malaria.
C．both malaria and obesity are not prevalent in the world.
D．they were seen as the disease of the poor and of the rich respectively.

A.more
B.
B．only
C.
C．both
D.
D．they
E.

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It can be inferred from the last paragraph that
A．tour operators are eager to see more regulations concerning Antarctica.
B．safety issues should not be worried about no matter how many cruise ships come.
C．the world recession helps tour operators to reduce their fares.
D．when more and more visitors come to Antarctica, a tragedy is foreseeable.

A.tour
B.
B．safety
C.
C．the
D.
D．when
E.

According to the Antarctic Treaty,
A．the navy should rescue as many survivors as possible in spite of high cost.
B．no country is entitled to the rights of Antarctic continent and its waters.
C．Antarctica should be open to the world without any form. of restrictions.
D．rules concerning Antarctica should be approved by the United Nations.

A.the
B.
B．no
C.
C．Antarctica
D.
D．rules
E.