. As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.
| A．primary | B．alternative | C．instant | D．Unique |
In modern times, people have to learn to ______ all kinds of pressure although they are leading a comfortable life.
| A．keep with | B．stay with | C．meet with | D．live with |
The teacher stressed again that the students should not ______ any important details while retelling the story.
| A．bring out | B．let out | C．leave out | D．make out |
As nobody here knows what is wrong with the machine, we must send for an engineer to ______ the problem.
| A．handle | B．raise | C．face | D．present |
Though having lived abroad for years, many Chinese still ______ the traditional customs.
| A．perform | B．possess | C．observe | D．support |
The top leaders of the two countries are holding talks in a friendly
| A． | atmosphere | B． | state | C． | situation | D． | phenomenon |