An interface can extend from one or more interfaces.

A．a primary station

B．one or more primary stations

C．a secondary station

D．one or more secondary stations

听力原文： An international children's charity says more than one-fourth of the children in Asia are living in absolute poverty and almost half of them are seriously deprived. In a report issued in Thailand, the group says that many Asian families are not benefiting from the region's booming economy and it has pledged $1 billion in aid over the next decade.

The charity group Plan International says 600 million Asian children are deprived of one of the seven basic needs used to define poverty, including food, safe water, shelter, health and education. And it says 350 million children, equivalent to the population of the European Union, are deprived of two or more basic needs, classifying them as absolutely poor.

The group's executive director, Tom Miller, compares these figures to those of the victims from the earthquake and tsunami that devastated parts of southern Asia eight months ago. "Those numbers are absolutely staggering. The world has focused very much on Asia through the tsunami. But in many ways, what we're talking about is, this is a silent tsunami that is happening every single day."

The group, basing its figures on United Nations statistics, says some Asian countries, like China and parts of Southeast Asia, have considerably reduced their numbers of poor children. But it says significant populations of poor people remain in isolated rural areas and among ethnic minorities.

According to the news, which of the following is not among the basic needs used to define poverty?

A．food

B．health

C．education

D．freedom

● The completion and approval of one or more （） characterizes a project phase.（）A．deliverables B．products C．projects D．programs

In C language，(58) is a collection of one or more variables，possibly of different types， grouped together under a single name for convenient handling.

A．a class

B．a structure

C．an array

D．a function

Calculator is(66) for performing arithmetic operations, but that requires human intervention to alter its stored program, if any, and to initiate each operation or sequence of operations. A calculator performs some of the functions of a computer, but usually operates only with frequent human intervention.Microcomputer's processing unit consists of one or more microprocessors, and includes storage and input-output(67). Personal computer primarily intended for(68) use by an individual.(69) computer can be hand-carried for use in more than one location. Minicomputer is functionally intermediate between a microcomputer and a mainframe. And supercomputer has the highest processing speeds available at a given time for(70) scientific and engineering problems.

A．suitable

B．well-formed

C．applicable

D．usable

With one or more cylinders out of operation, the engine speed must be reduced because .

A.in such cases, the air supply is no longer optimal, the thermal load will be higher

B.governor hunting will occur

C.torsional vibrations as other mechanical vibrations may occur

D.all of the above are correct

In C language, ______ is a collection of one or more variables, possibly of different types, grouped together under a single name for convenient handling.

  A．a structure  B．a file  C．an array  D．a string