Clinical evidence began to ___, suggesting that the new drugs had as wider range of useful activities than had been predicted from experiments in animals.
| A．operate |
| B．strengthen |
| C．approve |
| D．accumulate |
相关试题
we can not figure out ____quit a number of insects ,birds ,and animals are dying out .
| A．that | B．as | C．why | D．when |
He was chosen _________ of the company.
| A．manager | B．a manager | C．the manager | D．as a manager |
In the botanic garden we can find a（n）______of plants that range from tall trees to small flowers.
A．spec ies |
B．group | C．amount | D．variety |
The experiment turned out to be ________, which wasn’t ______ they wanted.
| A．a completely failing; as | B．a complete failure; what |
| C．completely failure; that | D．failed; 不填 |
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