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【单选题】
Porter Grace, RN, is declining an invitation to speak about the health benefits of juice bars at the fall conference of the Health and Fitness Trainers Association (HAFTA). Which of the following is the most effective buffer?A.
I must decline HAFTA's invitation to speak at its fall conference.
B.
HAFTA members must be looking forward to your annual fall conference to be held in Phoenix this year.
C.
Because you requested only the benefits of juice bars, as a registered nurse I am not the speaker you need; perhaps you should contact a juice-bar salesperson.
D.
I am delighted to receive your invitation to speak about health benefits of juice bars at HAFTA's fall conference!
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【单选题】分析表中的信息,我们可以推出的结论是 ____ 1我国经济在世界经济中的比重增大,为全球经济稳定和增长作出了贡献 2 我国成为世界第二大经济体 , 成功跨入世界发达国家行列 3 我国是世界上经济增速最快的国家 4 改革开放使我国 GDP 占世界 GDP 的比重有了大幅提高
A.
.①③
B.
.①④
C.
.②③
D.
.②④
【简答题】分类器系统在规则的使用上和传统的专家系统有一个重要的区别是分类器系统允许（）规则触发机制。
【简答题】Before the Smiths moved to New York, they lived in a quiet ___(neighbor)of Boston.
【单选题】17新生儿3周，发生急性上颌骨骨髓炎，下列描述哪项是正确的
A.
病变发展常较缓慢
B.
易形成大块死骨
C.
X线片对诊断死骨形成帮助不大
D.
应尽量避免切开引流
E.
如出现死骨应尽早摘除