Hardly is it an inspirational nation, let alone a formula__improved fashion design. A: to B: for C: in D: at

We are confident that the environment ___ by our further efforts to reduce pollution. A: had been improved B: will be improved C: is improved D: was improved

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With the development of the Internet, people’s life ______ in the past few years. A: is improved B: B. has been improved C: is improving D: D. had been improved

I feel my health ______. A: improve B: to be improving C: to he improved D: to have improved

杜邦公式 (Dupont Formula)：ROE = （ ）

1-02. This formula is used to __________ the area of a circle.

Which word is inappropriate in the following sentence? A: “formula”, or an “expression” was not necessarily an “equation”; the latter involves an equality. B: formula C: was D: necessarily E: latter

They found the conditions there ______. A: much improve B: B. much to improve C: much improved D: D. be much improved

Keep practising, and your English will ____. (2006) A: improve B: be improving C: have improved D: have been improved