_江苏成考网

__ is known to the world, Mark Twain was a great American writer.

• A、As

• B、Once

• C、That

• D、It

According to Bryk and Schneider, what was most important for successful school improvemt?

• A、New standards and tests in schools.

• B、Positive social relationships.

• C、Strict teacher and student evaluations.

• D、Assistance of the government

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