试题题干
Directions: Read each of the following sentences carefully, and choose A,B,C or D that has the closest meaning to the underlined word or phrase.
Theoretically the drug should cure or relieve any symptoms and the placebo should have no effect.（）
参考答案
正确答案：
试题解析
relieve缓解。lessen减少。
句意：理论上来说，药物可以治愈或缓解任何症状，而安慰剂应该不起作用。