【单选题】New ways to treat arthritis may provide an to painkillers .
【单选题】Some derieded(laugh at) the dream of sending a man to the moon as insanity . Others viewed it as just another strategic move in the Cold War chess match.
【简答题】New ways to treat the disease may provide an________________ to painkillers.
【单选题】New ways to treat arthritis may ( ) an alternative to painkillers.
【单选题】New ways to treat arthritis may provide a(n) __________to painkillers.
【单选题】Unit2- . New ways to treat arthritis may provide an __________ to painkillers.
【简答题】The moon always ________(move) around the earth.
【单选题】New ways to treat arthritis may provide a(n) to painkillers.
【单选题】Some derided the dream of sending a man to the moon as insanity . Others viewed it as just another strategic move in the Cold War chess match.