To stop a problem you have to understand its u______(根本的） causes.
举一反三
- Research into the causes of cancer reveals that we are still unsure of its precise causes.
- It is difficult (to make) yourself (understand) in a foreign country (when) you (have no knowledge) of its language. A: to make B. understand C. when D. have no knowledge
- 8) If you have a catastrophic (灾难性的) problem with your computer, you can run this application torestore your system to its ________________ state.
- To understand a word, you have to read all the letters in it; to understand a sentence you have to read all the words in it.（）
- You will have to understand the implied meaning if you communicate with a _______