皮皮学，免费搜题
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【多选题】
使用剪刀工具生成纸样裁片时,通常有以下方法完成操作( )。A.
选择纸样内部结构线
B.
选择纸样轮廓
C.
左键框选整个纸样轮廓
D.
按住SHIFT键，左键选择要建立纸样的区域
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Happy birthday! Do birthdays really make people happy? Of course they do. Birthdays celebrate the day we were born. Besides, that extra candle on the cake suggests another year of growth and maturity ...
A.
people can celebrate their birthdays
B.
people can become more mature and wiser
C.
people can receive many presents
D.
people will feel younger at heart
【单选题】–Why do people never cut up the ________on their birthdays?
A.
Because they are a symbol of long life.
B.
eggs
C.
cakes
D.
noodles
E.
dumplings
【简答题】It’s ________ (custom) to give people gifts on their birthdays.
【单选题】It is ________ to give people gifts on their birthdays.
A.
custom
B.
habitual
C.
ritual
D.
customary
【简答题】当钢筋的品种、级别或规格需作变更时，应（）。
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