Students should be encouraged to use____ Internet as _____resource.
| A．a, / | B．/, the | C．the, the | D．the, a |
The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview.
| A．mainly | B．punctually | C．approximately | D．precisely |
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 our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
Hiking by oneself can be fun and good for health. It may also be good for ______ building.
| A．respect | B．friendship | C．reputation | D．character |
Some parents are just too protective. They want to ______ their kids from every kind of danger, real or imagined.
| A．spot | B．dismiss | C．shelter | D．distinguish |