In Mohr-Coulomb failure criterion, failure occurs when the ______ is achieved and not when the maximum shear stress is achieved.

It’s wonderful that you( )so much in these years. A: could have achieved B: must have achieved C: should have achieved D: might have achieved

Over a ______ of three years a surprising amount has been achieved.

Evaluation helps determine the extent to which have been achieved.

By promotng more even incomedistributionin a developing country, a lower birth ratewould____. A: achieve B: achieved C: is achieved D: be achieved

We were not surprised at ______ , for he had worked so hard. A: what has he achieved B: that what he had achieved C: what he had achieved D: that he had achieved

Their goal __________ now A: is achieve B: is achieving C: is being achieved D: is achieved

An economy’s golden rule steady state consumption cannot be automatically achieved. ()

In recent years, medical science _______ control over several dangerous diseases, but some of them are returning. A: achieved B: achieves C: has achieved D: had achieved

You want to make sure that the goal you have set can actually be achieved.