Shelly had prepared carefully for her biology examination so that she could be sure of passing it at her first ________．（ ）
A：intention
B：effort
C：attempt
D：sight
我国是生物种类最丰富的国家之一，下列属于我国特有的珍稀动物是（ ）
下列有关文学常识的表述，不正确的一项是（ ）
