(Repost)-Delta's Key to the Next Generation TOEFL Test

Product Description
What is new about the TOEFL¨ test and Delta's Key?
The next generation test, or iBT, is an Internet-based test introduced in September 2005. This new test replaces the earlier computer-based test known as the TOEFL¨ CBT. The next generation test assesses proficiency in the four language skills of reading, listening, speaking, and writing. The most important changes in the test are:
Speaking skills are evaluated. Some tasks involve integrated skills, such as reading-listening-writing. Knowledge of grammar is not tested separately but is assessed indirectly throughout the test.