The first-year experience is exciting, liberating and terrifying, all combined to help us grow into adulthood. That is, if our parents don’t come with us.(para 4)
A. The first-year experience is exciting, liberating and terrifying, all combined to help us grow into adulthood. That is going to happen if our parents don’t come with us.
B. The first-year experience is exciting, liberating and terrifying, all combined to help us grow into adulthood. That is to say, if our parents don’t come with us.
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The woman behind the counter clearly felt, as I did, embarrassed for this young man, who was accompanied by his no doubt well-intentioned, but misguided, father. (para 5)
A. Just like I did,the woman behind the counter clearly felt embarrassed for this young man, who was accompanied by his no doubt well-intentioned, but misguided, father.
B. I saw that the woman behind the counter did feel embarrassed for this young man, who was accompanied by his no doubt well-intentioned, but misguided, father.
The incident I saw in the registrar’s office was not an unusual sight. (para 15)
A. The incident I saw in the registrar’s office was really an unusual sight.
B. The incident I saw in the registrar’s office was a common sight.
I would argue that my success is a result of being allowed the freedom to make mistakes and find my own way.(para 18)
A. I would argue that the reason why I could achieve success is that my parents allowed me to make mistakes and find my own way.
B. I think that my success is a result of my parents being allowed the freedom to make mistakes and find my own way.
现要用板式换热器进行牛奶杀菌操作，板式换热器共分四段，预热、冰水段、杀菌段、冷水冷却段、冰水冷却段。现杀菌段、冷水冷却段、冰水冷却段组合形式已定，预热段尚未确定。冷奶的预热是利用杀菌后的热奶作为杀菌介质。已知：生产能力G=10000kg/h，冷牛奶的初温t1=10℃，预热终温t2=60℃，杀菌温度t3=72℃，牛奶比热为C=3.948，牛奶比重=1000kg/m3,流体在流道间的流速u=0.25m/s，逆流流动预热段传热系数K=1315 kcal/m2.h.℃。1）杀菌后牛奶冷却温度t42）传热量计算Q3）换热面积F，板数Z4）预热段所需的流道数a5）程数n
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