The heart is believed to _____blood into veins(血管) which are netted all over the body, thus keeping a person alive.
| A．give | B．donate | C．circulate | D．pump |
I wasn’t aware of this before, but recent research _____ that eating too much fat can contribute to heart disease.
| A．has shown | B．will show | C．was showing | D．showed |
The volunteers will do _______ to help those injured in the earthquake.
| A．everything possible humanly | B．everything humanly possible |
| C．humanly possible everything | D．humanly everything possible |
The petrol in the car _____ on our way to the beach, so we had to walk there.
| A．gave up | B．gave off | C．gave in | D．gave out |
It gives his life a flying start ______ he has gone abroad for further education.
| A．what | B．when | C．that | D．how |
Children are taught to respect everyone, ______ race, sex or age.
| A．in terms of | B．in the face of | C．regardless of | D．in place of |