The Chinese river dolphin is one of the First-Grade State Protection animals, a (an) mammal with its name – water panda.
| A．rare | B．official | C．extreme | D．universal |
Instructions for homework have to be ______ so that every student knows clearly what is to do after class.
| A．specific | B．generous | C．general | D．detail |
The man is such a ________ person that there is no doubt that he will do whatever he has promised.
| A．committed | B．sensitive | C．cautious | D．reliable |
People have the belief ______ factories should produce fewer things from raw materials, ______ the supply is growing smaller and smaller.
| A．which; that | B．that; of which |
| C．that; whose | D．which; whose |
________ Yao Ming has retired from the NBA, the pleasure we have got by watching him play basketball at home and abroad will last long.
| A．While | B．When | C．As | D．Since |
The ________ soldier said it was ________ to give up his rest time to save more people caught in the earthquake.
| A．worth; worthy | B．worthy; worthwhile |
| C．worthwhile; worth | D．worthy; worthy |