查人人中国名人网电力勘察设计合同:高中英语问题
来源：百度文库 编辑：查人人中国名人网 时间：2024/05/03 02:43:39
To understand the grammar of the sentence, you must break it ___ into parts.
A. down B. up C. off D. out
答案是A, 请问A与B有什么区别？
A. down B. up C. off D. out
答案是A, 请问A与B有什么区别？
break down的意思：
1.破坏;
e.g.
HIV can break down the immune system of human beings.
2.机器坏掉，车抛锚等;
e.g.
My car broke down on the highway.
3.身体跨掉
e.g.
You'll break down sooner or later if you keep on working day and night.
4.精神崩溃，情绪失控
e.g.
She broke down at the news.
5.把……拆开,把……分解（以便理解）
(题目中就是这个意思）
break up ：把……打破
break it down
解释为“把它分开，分成...部分”
没区别
break sth down :分解
break sth up:打碎，敲碎
d