The achievements of the greatest minds in science could never have been reached________ the patient work of hundreds of others．
| A．were it not for | B．had it not been because |
| C．had it not been for | D．if it had not been |
相关试题
Nowadays food safety is a big problem and nobody can guarantee all foods are safe to us, but food produced in the normal companies is _______ b
etter.
| A．strictly | B．absolutely | C．relatively | D．exactly |
The USA makes a lot of excuses in an attempt to make war on Iran , however, Its __________ purpose lies in the abundant oil there.
| A．logical | B．fundamental | C．accurate | D．commonly |
For fear of unemployment, almost one million people sat （参加考试）China civil service examination in order to get ________jobs.
| A．appropriate | B．bureaucratic | C．comfortable | D．secure |
The store has an excellent for fair dealing and its booming sales figures are often reported in local newspapers.
A. regulation B reputation C. presentation D. exception
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