22. What is special about Ratatype?
A. It has free typing games
B. It gives advice on typing gesture
C. Its paid lessons have to ads.
D. Its new version has been updated
23. What can a learner do at Speed TypingOnline?
A. Track his typing progress
B. Take personalized tests
C Skip to the advanced lessons
D Compete with others online
32. Whose emotions did the students recognize best the first step?
A. A dull human instructor’s.
B. A positive animation instructor’s.
C.A discouraged virtual instructor’s.
D. A flat and happy animated instructor’s.
33. What does Paragraph 3 mainly tell us about the students?
A. Their emotional reaction.
B. Their learning outcomes.
C. Their effects on various instructors.
D. Their opinions of video lectures.
34. What are Lawson’s great hopes for future virtual instructors based on?
A.The widespread use of computer.
B.The flexibility in animation design.
C.The popularity of students learning at home.
D.The fast development of virtual reality training.