问题
单项选择题
改善面部动力性皱纹最适用的注射剂是（）.
A.肉毒素
B.自体脂肪颗粒
C.爱贝芙
D.透明质酸
E.胶原蛋白
答案
参考答案：A
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改善面部动力性皱纹最适用的注射剂是（）.
A.肉毒素
B.自体脂肪颗粒
C.爱贝芙
D.透明质酸
E.胶原蛋白
参考答案：A
Three engineers(工程师) and three accountants (会计) were traveling by train to a meeting. At the station, the three accountants each bought a ticket, but the three engineers bought only a single ticket. “How are three people going to travel 36 only one ticket?” asked an accountant. “Watch and you’ll see,” answered an engineer. They all 37 the train. The accountants took their own 38 , and all the three engineers went into a restroom and 39 the door behind them. The train 40 the station, and after a while the conductor (售票员) came to 41 tickets. He knocked on the restroom door and said, “Ticket, please!” The door opened just a 42 and a single arm appeared with a ticket in hand. The conductor 43 it and moved on. The accountants saw this and 44 it was quite a clever idea. 45 after the conference, the accountants decided to 46 what the engineers did on the return trip and 47 some money. When they got to the station, they bought a single ticket for the return trip. To their 48 , the engineers bought no tickets 49 . “How are you going to travel without a ticket?” asked one 50 accountant. “Watch and you’ll see,” answered an engineer. 51 they got on the train the three accountants went into a restroom and the three engineers went into another one that was 52 . Then the train started. Shortly afterwards(不久之后), one of the engineers left his restroom and walked 53 to the restroom 54 the accountants were 55 . He knocked on the door and said, “Ticket, please!”
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