问题
单项选择题
在确定零件与零件之间的位置时，通常用（）个销钉来定位。
A.1
B.2
C.3
D.4
答案
参考答案：B
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在确定零件与零件之间的位置时，通常用（）个销钉来定位。
A.1
B.2
C.3
D.4
参考答案：B
Surfing: It’s Not Just for Boys Any More If you asked high school girls to name their favorite sports, most would probably say basketball or volleyball. I am one of the few girls who would 21 : surfing(冲浪运动). But isn’t that a boy thing? Some people 22 . Most certainly not. I started surfing about five years ago and 23 in love with the sport on the very first day. Riding the first 24 was the best feeling I had ever experienced. When I try to 25 surfing with other things, I find it very difficult because, in my 2—___26 , there’s nothing like it. It involves(牵涉到) body and 27 . There’s sand between my toes and cool, salt 28 all around us. The feeling I get when I’m surfing 29 that water, becoming one with the 30 , is like I’m weightless. The one thing I can 31 from surfing and not any other sport is endless challenge. You can never be the “best surfer” because the ocean 32 an too many kinds of waves that nobody can ever master. The variations of surfing styles are wonderful. Some surfers are free and flowing; others are very aggressive(活跃有力的) and 33 . All of these things attract me to surfing and make it 34 from any other sport. I’ve 35 to tell every girl I know to do something that people don’t think girls can do. It’s part of being human to advance to new 36 , so shouldn’t it be expected that girls should step up and start 37 __the limits of things boys and men used to dominate(主宰)? There’re women 38 side by side with the President of our country, so why not side by side with the boys 39 the football team or out in the water surfing? Give girls a chance to 40 , and they will.
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