The mechanisms ( at )work (are manifest) in the tendency for such physical activity( to )utilize the (potential) harmful constituents of the stress response.

单项选择题It is announced that a wallet has been found and can be __________ at the manager's office.

单项选择题Talk to anyone in the drug industry, ___________ you'll soon discover that the science of genetics is the biggest thing to hit drug research since penicillin was discovered.