二次回路按其不同的绘制方法可分为两类,即原理图、展开图。()
参考答案:错
句型转换
1. My friend gave me such a beautiful present.
My friend gave me _____ _____ _____ present.
2. He was kind enough to help me.
He was _____ _____ _____he would help me.
3. The box is so heavy that I can't carry it.
The box is _____ heavy _____ me _____ carry.
4. She made us some nice kites.
She made some nice kites_____ _____.
5. The boy of 12 likes reading a lot.
The _____ boy likes reading _____ _____ .
It is certain that he will his business to his son when he gets old. [ ]
A.take over
B.think over
C.hand over
D.go over