An invention is a solution to a specific technological problem, which may be a product or a process and generally has to fulfil three main requirements: it has to be new, not obvious and there needs to be an (5).
举一反三
- speech usually has three main parts. Which of the following is NOT a main part of a speech? _____
- Only--- thought has been given to the problem, and no solution has been found.
- Which word has these three meanings: start(a company), put(a product) on the market, start (an advertising campaign)?
- Generally speaking, deduction is from general to specific, and it has strong power of proving, while induction is from specific to general, and it has a strong power of persuading.
- The leader has managed to fulfil and all the promises it made. A: excess B: exceed C: proceed D: process