Unless there is danger of further injury，a person with a compound fracture should not be m

There are many things whose misuse is dangerous, but it is hard to think of anything that

What is the main idea of the passage？A．There is little danger of serious after－effects whe

What is the role of the 4th and 5th paragraphs in the development of the topic？A．To furthe

There is no point______ the piano unless you pra

As there is no indication the danger of his illne

Psychologically there are two dangers to be guarded against in old age. One of these is un