Questions 8 to 10 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.

According to the speaker, which of the following food can make us happy

What is NOT described as the economic trouble that trap...

单项选择题What is NOT described as the economic trouble that traps Zimbabwe

According to the man, what contributes to booming of jo...

单项选择题According to the man, what contributes to booming of job market

What is one of the sources of the oceanic salinityA．Ero...

单项选择题What is one of the sources of the oceanic salinity