For example, athletes and dancers can practise it to (630)______ their energy and to improve stamina;

The word “checked” in the second paragraph is closest in meaning to ______.

What does the word “which” in the fourth paragraph refer to?

The final product of the process of drying liquids that uses the first method will be ______.

Simply asking questions like “What will my students need dozens of years from now?” or “How can I help give them those skills?” can change teachers' (605) ______, make them a leader, and bring about changes in the classroom, school and community.

In the process of drying certain kinds of fruits, sulphur fumes help ______

What is probably the writer’s attitude in the passage?

The word “flop” in the passage is closest in meaning to

What does the writer suggest about reality talent show winners?

What is the main idea of the passage?

Which of the following is NOT mentioned in the passage?

This passage is mainly ______.

According to the passage, what are the differences in the structure of continents?