| Only three strategies are available for
controlling cancer: prevention, screening and treatment. Lung cancer causes more
deaths than any other types of cancer. A major cause of the disease is not
{{U}} (21) {{/U}} known; there is no good evidence that screening is much
helpful, and treatment {{U}} (22) {{/U}} in about 90 percent of all
cases. At present, therefore, the main strategy must be {{U}} (23) {{/U}}
. This may not always be true, of course, as for some other types of cancer,
research {{U}} (24) {{/U}} the past few decades has produced (or
suggested) some importance in prevention, screening or treatment. {{U}} (25) {{/U}}, however, we consider not what research may one day offer but what today’s knowledge could already deliver th A. eliminate B. abolish C. cut down D. cope with 更多"Read the following text. Choose the"的相关试题: [单项选择] Read the following text. Choose the best word for or phrase each numbered blank and mark A, B, Cot D on ANSWER SHEET 1.
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