1. What did the expert throw in the jar?
A. About twelve big rocks.
B. Some gravel.
C. Some small rocks and gravel.
D. Some big rocks and gravel.
2. What does the “big rocks” most probably mean according to the text?
A. Big troubles in life.
B. Serious challenges in life.
C. Important goals in life.
D. Great opportunities in life.
3. Why does the expert ask the same question with the jar several times?
A. She tries to attract the students’ attention.
B. She intends to guide the students to think.
C. She makes an experiment about the jar.
D. She wants to make sure the students can understand her question.