问题
单项选择题 B型题
慢速腭中缝扩展需要多长时间可以逐渐使腭中缝扩开，达到与快速扩展同样的效果（）
A.2～3周
B.10～12周
C.3～5个月
D.6～12个月
E.12～24个月
答案
参考答案：B
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慢速腭中缝扩展需要多长时间可以逐渐使腭中缝扩开，达到与快速扩展同样的效果（）
A.2～3周
B.10～12周
C.3～5个月
D.6～12个月
E.12～24个月
参考答案：B
As a single mother，I had to do two jobs，which kept me very busy. Two months ago，I went to a _36__ with Alice. Since I __37__went out with her，she seemed very happy. Many parents were there with their children. I sat down on a bench，_38__Alice playing with other children. About half an hour later，a man of about forty years old came and _39__beside me. As I had to go back to work，I stood up and told Alice that we had to __40__. “Can I stay here a little longer？”Alice pleaded. “No，we must go now，”I said，__41__ Alice just didn’t move. “Just ten more minutes，”she pleaded again，and I became _42__. “Go now，”I__43__，and Alice started to cry.__44__ that，the man sitting on the __45__stood up and came to us. “Why don’t you just let her__46__ten more minutes？”he asked. Then he told me a _47__.He used to be very busy，too. Every time his little son wanted to go out and play，he told him he was __48__.One day，his son went out and played __49__，and he didn’t come back again—he was hit by a _50__driver of a car. The father regretted what he had done to his son，but he never had the __51__to play with him again. Hearing the story，I __52__.I knelt down and said to Alice，“OK，ten more minutes，and Mom will play __53__you.” __54__is all about making priorities(优先)．What are your priorities？Give someone you__55__ten more minutes of your time today.
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