调节凸轮圆周方向的位置是改变从动部件运动的（）。 A.时间 B.规迹 C.速度 D.
题型：单项选择题
问题：
调节凸轮圆周方向的位置是改变从动部件运动的（）。
A.时间
B.规迹
C.速度
D.距离
题型：单项选择题
第二节完形填空(共20小题；每小题l．5分，满分30分)
阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入
空白处的最佳选项，并在答题卡上将该项涂黑。
It was a busy morning，about 8:30,when an elderly gentleman in his 80s came to the hospital。I heard him saying to the nurse that he was in a hurry for an appointment(约会)at 9:30
The nurse had him take a 36 in the waiting area, 37 him it would be at least 40
minutes 38 someone would be able to see him。 I saw him 39 his watch and decided，since I was 40 busy—my patient didn’t 41 at the appointed hour, I would examine his wound .While taking care of his wound．I asked him if he had another doctor’s appointment
The gentleman said no and told me that he 42 to go to the nursing home to eat breakfast with his 43 .。He told me that she had been 44 for a while and that she had a special disease。I asked if she would be 45 if he was a bit late. He replied that she 46 knew who he was，that she had not been able to 47 him for five years now. I was 48 ,and asked him，“And you 49 go every morning，even though she doesn’t know who you are?”
He smiled and said．“She doesn’tknowme butIknowwho sheis”I hadto holdback 50 as he left.
Now I 51 that in marriages，true love is 52 of all that is。The happiest people don’t 53 havethe best of everything；they just 54 thebest ofeverythingthey have。 55 isn’t about how to live through the storm，but how to dance in the rain.
36 A breath B.test C seat D break
37 A persuading B promising C understanding D telling
38 A if B
before C since D after
39 A taking off B．fixing C looking at D winding
40．A very B also C seldom D not
41 A turn up B show off C come on D go away
42 A needed B forgot C agreed D happened
43 A daughter B wife C mother D sister
44 A. late B well C around D.there
45 A lonely B worried C doubtful D hungry
46 A so far B neither C no longer D already
47 A recognize B answer C believe D expect
48 A moved B disappointed C surprised D satisfied
49 A only B.then C.thus D still
50A curiosity B tears C words D judgment
51 A realize B suggest C hope D prove
52 A agreement B expression C acceptance D exhibition
53 A necessarily B completely C．naturally D frequently
54 A. learn B make C.favor D.try
55 A Adventure B Beauty C Trust D Life