It is not profitable to provide bus services in districts where the population is widely _____.
| A．scattered | B．dismissed | C．separated | D．spread |
Not all parts of the interior (腹地) of Australia are easily _____, because it is very hot and not many people live there.
| A．admirable | B．available | C．adjustable | D．accessible |
The performance of this reasonably priced digital camera is _____ in quality to that of more expensive ones.
| A．beneficial | B．fundamental | C．comparable | D．competitive |
Recently reports about the abuse of children have _____ as often as several times a week, causing a wide concern and discount of trust among the public.
| A．turned up | B．pulled up | C．taken up | D．brought up |
On our journey to Australia last summer, our luggage was _____ at the customs. We were not allowed to carry food such as meat and vegetables.
| A．looked through | B．gone through | C．seen through | D．got through |
Usually a meteorological observatory (气象台) _____ air quality in urban areas from one to five: excellent, fairly good, slightly polluted, poor, and dangerous.
| A．identifies | B．purifies | C．classifies | D．clarifies |