According to some scientist , every human being, _____, gives off body heat.
| A．what he is doing | B．however he is doing |
| C．whatever is he doing | D．no matter what he is doing |
We have more than 80 flats in this building, each ____ solar heaters．
| A．is equipped with | B．equipped with |
| C．is equipped by | D．equipped by |
Eventually, she has recognized ____, whatever happens and however bad ____ seems today, life still goes on and everything will be better tomorrow．
| A．that; it | B．it; that | C．it; what | D．that; what |
The company can't afford to buy the latest equipment at present．____,they keep trying new ways to improve efficiency．
| A．On the contrary | B．In contrast | C．Nevertheless | D．Furthermore |
____ up early in the morning to have a walk, I am sure, you are likely to feel active all day．
| A．Get | B．Having got | C．Getting | D．To get |
"They didn’t take measures in time, otherwise the explosions ____．"some experts said．
| A．wouldn’t happen | B．didn’t happen |
| C．wouldn’t have happened | D．mustn’t have happened |