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When I was growing up, I always gave my mom an apron (围裙)on her birthday.I wanted my own mom — 21 that apron I'd just given her, of course —to 22 me at the end of each afternoon bearing a plate of home-baked 23 as she waited breathlessly to hear about my 24 day at school. Mom loved her family without question, but as an elementary-school teacher she had her own exciting days to 25   . She had hardly any extra time and 26 , and home-baked treats were rare in our house except 27 very special occasions.Since Mom didn't make cookies very often, the 28 of her baking were not always the same.Sometimes the cookies were browned a little more than planned or 29 together and other times the cookies weren't smooth. 30 , none of that bothered anyone in the family.All we 31 was swallowing whatever we were having for dinner that night so we could get to the cookies 32 us on the kitchen counter. Now that I'm a mom myself, I can 33 all too well why my mother didn't always have the time to wear the apron.As was true with my mother, the list of things I need to do is often 34 than the day itself.But I also understand the desire to 35 the same yellow mixing bowl my mother used and make something special for my family every so often.Whatever I bake is met with approval, appreciation and good 36 by my husband and children.At some level, I believe they're 37 that I was thinking about them as I 38 the brown sugar into the butter or frosted the cake with their favorite kind of icing.They always know I love them.I 39 they know it a little better when I'm in a baking mood. I'm sure my mother felt 40 the same way whenever she made cookies for us.Those cookies will always, in my mind, be the best treat. 小题1: A.wearing B.holding C.taking D.throwing 小题2: A.watch B.greet C.guide D.encourage 小题3: A.vitamins B.vegetables C.cookies D.fruits 小题4: A.boring B.frightening C.comfortable D.exciting 小题5: A.start with B.set up C.make up D.deal with 小题6: A.power B.work C.energy D.strength 小题7: A.on B.at C.in D.by 小题8: A.methods B.results C.efforts D.ways 小题9: A.put B.piled C.stuck D.tied 小题10: A.Besides B.However C.Meanwhile D.Thus 小题11: A.gave up B.cared about C.figured out D.cut down 小题12: A.waiting for B.looking for C.longing for D.heading for 小题13: A.predict B.admit C.comment D.understand 小题14: A.longer B.heavier C.higher D.tighter 小题15: A.put away B.take on C.get out D.come about 小题16: A.appetites B.motivations C.opportunities D.instructions 小题17: A.anxious B.aware C.eager D.crazy 小题18: A.shook B.removed C.tore D.mixed 小题19: A.state B.stress C.imagine D.complain 小题20: A.mostly B.possibly C.really D.exactly
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【简答题】自然界的矿物、岩石的成因和变化受到许多条件的影响。地壳内每加深1km,压强增大约25000~30000 kPa。在地壳内SiO 2 和HF存在以下平衡:SiO 2 (s) +4HF(g) SiF 4 (g)+2H 2 O(g)+148.9 kJ 根据题意完成下列填空: (1)在地壳深处容易有____________气体逸出,在地壳浅处容易有____________沉积。 (2)如果上述反应在体积不...
【简答题】在SiO 2 内和Si-SiO 2 界面存在有()、()、()、()等电荷。
【简答题】自然界的矿物、岩石的成因和变化受到许多条件的影响。地壳内每加深1km,压强增大约25000~30000 kPa。在地壳内SiO 2 和HF存在以下平衡:SiO 2 (s) +4HF(g) SiF 4 (g)+2H 2 O(g)+148.9 kJ 根据题意完成下列填空: (1)在地壳深处容易有____________气体逸出,在地壳浅处容易有____________沉积。 (2)如果上述反应的平衡常...
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A.
卡托普利
B.
速尿
C.
洋地黄类
D.
酚妥拉明
E.
抗生素
【多选题】在 SiO 2 内和 Si - SiO 2 界面中存在的电荷包括 哪些?
A.
可动离子电荷
B.
界面陷阱电荷
C.
氧化层固定电荷
D.
氧化层陷阱电荷
【单选题】以下关于慢性支气管灸的说法错误的是
A.
气管壁的慢性炎症
B.
气管壁的非特异性炎症
C.
每年咳嗽、咳痰达3个月以上,连续2年或更长时间的患者就可以诊断
D.
感染是慢性支气管炎发生发展的重要因素之一
E.
慢性支气管炎患者不一定有气流受限
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A.
v 正 (HF)= 2v 逆 (H 2 O)
B.
混合气体的密度保持不变
C.
SiO 2 的质量保持不变
D.
反应物不再转化为生成物
【简答题】在SiO 2 内和Si-SiO 2 的界面中有四种类型的电荷,依次为: , , , 。
【简答题】用加入法测量SiO 2 中微量Fe时,以Fe 302.6nm为分析线,Si302.00nm为内参比线,所测得的数据见表8-8。 表8-8测定结果 Fe/%(加入量) 0 0.001 0.002 0.003 △S(Fe) 0.23 0.42 0.51 0.63 已知分析线和内参比线黑度均在乳剂特性曲线的直线部分,且感光板的反衬度r=1.00,试求该样品中Fe的含量。
【单选题】自然界的矿物、岩石的成因和变化受到许多条件的影响。地壳内每加深1km,压强增大约25000~30000 kPa。在地壳内SiO 2 和HF存在以下平衡: SiO 2 (s) +4HF(g) SiF 4 (g)+ 2H 2 O(g)  △H=-148.9 kJ·mol -1 如果上述反应在体积不变的密闭容器中发生,当反应达到平衡时,下列说法不正确的是
A.
2 v 正 (HF)= v 逆 (H 2 O)
B.
v 正 (H 2 O)=2 v 逆 (SiF 4 )
C.
SiO 2 的质量保持不变
D.
容器内压强不变
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