A．他B跟我道歉C，否则我是不会原谅他的D。
A．除非
B．除非
C．除非
D．除非
参考答案：A
解析：“除非”用于分句的句首。所以本题选择A。
根据情景，选择正确的句子。
1．当你和家人遇到你的王老师时，你应介绍说：[ ]
A．Where are you from?
B．How old are you?
C．This is my teacher, Mr Wang.
2．当你问你的朋友想要什么当午餐时，应说：[ ]
A．What are you going to have for breakfast?
B．What are you going to have for lunch?
C．What are you going to have for supper?
3．当你爸爸想问你的同学多大时，他应说：[ ]
A．How old is your classmate?
B．What is your classmate?
C．Who is your classmate'?
4．你想知道班里的同学是从哪里来的，应该问：[ ]
B．Where are you going?
C．Where is your father?
生态位是一个既抽象含义又十分丰富的生态学专有名词，它的主要内涵是( )。
A．生态环境
B．生物单位适应性的总和
C．生物在群落中的功能和作用
D．生物单位生存条件的总集合
