Why does the author put the word improved in quotation marks in paragraph 5 (starting line 57)? (Text 1A) A: The writer is using the exact word from another source. B: The writer wishes to stress that the picture of reality is greatly improved. C: The writer believes it is arguable whether the picture is truly improved. D: The writer is not sure the reader understands the word, so draws attention to it.

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

__________, the quality has been improved.

The position of woman in Vietnam has improved.

There are very few products or services that can be improved. （ ）

According to Lyubomirsky, our sense of happiness cannot be improved.( )

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

The position of woman in Vietnam has improved. A: 正确 B: 错误

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

3. The way we live _1__ has/have also improved.