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Exactly意為“確實是這樣”，表示同意對方的觀點。

----- Sorry, I must be leaving now, because there's a meeting

----- _______.
A. Oh, no, you can't.　　　　　 B. Yes, you can leave if you like.
C. Do you really have to go?　　 D. Oh, no. I don't understand.

1.Probably most injuries happen to skaters’ wrists because ________.

A. few skaters wear wrist guards               

B. The wrist is the most fragile body part

C. skaters often push out their hands when falling 

D. skaters don’t know how to protect their wrists

2.________ are the majority in the study.

A. Those who wore helmets          

B. Those who wore wrist guards

C. Those who wore knee pads        

D. Those who wore no protective gear

3.To reduce injuries greatly, a skater should at least wear __________.

A. a helmet and elbow pads         

B. wrist guards and knee pads

C. elbow pads and wrist guards     

D. the whole set of protective gear

4.This passage is most probably be found in __________.

A. a poster     B. science fiction    

C. collection of choice stories    D. newspaper

5.What was the main point of the study?

A. To encourage people to learn skating.           

B. To advise skaters to wear safety pads.

C. To advertise for skating protective gear.       

D. To introduce ways of protecting skaters.