1) How many people does the author say have tried stepping out of their comfort zone? ______
A. 98 percent.
B. The great majority.
C. A very small percentage.
D. About half.
Your journey through higher education will ______.
A. put you to the test constantly
B. damage your nerves
C. certainly help develop your ability
D. Solve your life's puzzles
When the author first gave presentations, ______.
A. he was cool and confident
B. he appeared nervous
C. he was anxious to get feedback
D. he failed totally
微信支付 
支付宝支付