Making mistakes is a part of life. ________ matters is _________ you do afterwards.
| A．It; what | B．All; what | C．What; what | D．That; what |
The island where these rare birds nest has been declared a _____.
| A．observation | B．reservation | C．preservation | D．conservation |
Expected noises are usually more _____ than unexpected ones of the like magnitude.
| A．manageable | B．controllable |
| C．tolerable | D．perceivable |
. Kate's ambition to become a nurse _____ from a desire to help others.
| A．prompted | B．promoted | C．programmed | D．proceeded |
The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.
| A．rarity | B．scarcity | C．invalidity | D．variety |
Dress warmly, _____ you'll catch cold.
| A．on the contrary | B．or rather | C．or else | D．in no way |