限幅器
参考答案：
移动式（调频）收发信机的接收机部分的一个单元，它的用途是减小输入信号的幅度变化。
四象限时间管理法的两个维度是指事情的（）
A.战略性和战术性
B.集体性和个人性
C.时间性和紧迫性
D.权威性和重要性
E.重要性和紧迫性
句型转换。
1. The model plane is Nick and Peter's. (对划线部分提问)
_____ _____ the model plane?
2. Nick does the housework for his mother on Sunday. (一般疑问句)
_____ Nick _____ the housework for his mother on Sunday?
3. There's a kite in the tree. (对划线部分提问)
How many _____ _____ there in the tree?
4. Lily takes a walk after dinner every day. (划线提问)
_____ _____ Lily _____ after dinner every day?
5. She can go home at half past four. (对划线部分提问)
_____ _____ _____ she go home?
every day. (划线提问)