单选题 What is World English?
World English is a course in the English language. It is intended for students whose native lauguage is not English. It is a basic programme consisting of six stages. Each stage includes a Student Book, a Teacher"s Book, a Workbook, and cassette recordings. World English is further supported by separate books of readings, by tests, and by visual (可视的) aids.
Who is World English for?
World English may be entered at any one of three different levels. The First Level, Books One and Two, is intended for students with little or no education in English. Books Three and Four make up the Second Level; they are suitable for students who have some knowledge of English. The Third Level, Books Five and Six, is intended for students who are concerned with improvement in the language.
What does World English teach?
World English teaches four basic skills of language: listening, speaking, reading, and writing. At all levels, each skill is presented systematically. In the First Level, listening and speaking receive more attention. In the latter books, reading and writing become more important. However, reading and writing activities are presented even in Unit One of Book One; and listening and speaking exercises occur through Unit Ten of Book Six.

单选题 This passage is probably taken from the ______ of an English text book.

单选题 Suppose you are a student of Senior Three, ______ will be suitable for you if you want to make your English better.

单选题 We may infer from this passage that the whole set of World English consists of ______ units.