简答题How many reasons does the speaker give for the fact that animals worldwide are in danger?简答题What does the speaker mainly talk about?简答题Study the graph. Look at the graph. Which statement describes Kenya’s elephant population?简答题Listen to the recording again and complete the following two paragraphs by filling in the blanks with exactly what you hear.简答题Why are some species endangered?简答题Listen to the recording once and answer the two questions below. Choose the best answer from the three choices marked A), B) and C).简答题Fill in the gaps with words or phrases given in the box. Change the form where necessary.简答题What problem is Zeb Hogan solving in Mongolia?简答题What problem is Vathana solving in Cambodia?简答题Listen again. Choose the correct answers.