单项选择题


SECTION A CONVERSATIONS
In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.
Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Now listen to the conversation.
What is the basic purpose of IQ tests

A.They are designed to measure children’s intelligence.
B.They are intended to test linguistic and numerical skills.
C.They are designed to test why some children perform better at school.
D.They are intended to find out why some children are not appreciated.