C．the grandpa had worked much harder

　　D．the grandpa's workmate had worked

　　D　[推理判断题。根据第二段"Normally，this is a two­man job；however，one workmate had a day off，and my grandpa had to remove the huge transformer on his own."可知，通常这是两个人的工作，然而一个同事请假了，"我"的祖父不得不一个人移开巨大的变压器。由此可推知，如果那天作者祖父的同事没有请假，这场事故可能不会发生。]

　　2．During the accident the author's grandpa .

　　A．was in panic

　　B．was very calm

　　C．shouted for help

　　D．thought it was nothing

　　B　[细节理解题。根据第三段可知，祖父告诉"我"他能在右侧看见他的左胳膊，他知道它很糟糕，但是他没恐慌因为如果他恐慌的话，他可能伤得更重。由此可知，在这次事故中，作者的祖父很冷静。]

　　3．What was the doctor's view on the author's grandpa's injury?

　　A．He might lose his left arm.

　　B．His bone had not broken.

　　C．His injury was very serious.

　　D．His injury couldn't be treated.

　　C　[推理判断题。根据第三段"After surgery the doctor told my grandpa，'You won't be able to move your arm again.'"可知，手术结束后，医生告诉祖父，"你不能再移动你的胳膊了。"由此推知，医生认为作者祖父胳膊的伤势非常严重。]

　　4．Why did the author's grandpa lie on the floor and pull on his fingers?

A．His fingers could not unbend.