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Dear Alice, I just received your letter. And I was very surprised to know that you decided to drop out of school and wanted to be a model (模特). Being a model for a living is not easy. In fact, a famous person like me has a lot of problems that you couldn’t see. I can’t eat what I like, even though I’m very hungry. Keeping thin makes me look more beautiful on the stage because no one would like to see a heavy model. Besides, I have to wear a heavy coat in the hot sun, in a swimming suit in the cold air. And practicing walking nicely every day is tiring for me. You might say I made much money from modeling. But my dear niece (侄女), you have to know that money is, nothing, knowledge is everything. School is important and everyone should go to school for a certain period of time. The longer they stay at school, the better they will be. Very often, I hope I can give up my job and continue my studies at school. But it is very difficult for me to go back to school again. I am too old to go back to school now. You are a pretty young girl with a bright future. You only have one year to finish your studies in high school. A year is really short. Please do consider my words carefully before you decide. Of course, there is only one thing I care about, and that is your happiness. Love, Emma 小题1:What was Emma surprised about? A.Alice wanted to keep thin. B.Alice decided not to do modeling. C.Alice ate too much and became a heavy girl. D.Alice decided not to finish her studies at school. 小题2:Emma can’t go back to school again, because ________ A.she is tired of being a student B.she wants to make more money from modeling C.she is so old that she has missed the best time in school D.she has done a good job and makes a lot of money as a model 小题3:How long does Alice still have to study in high school? A.One year. B.Two years. C.Three years. D.The longer, the better. 小题4:Emma only cares about________ A.Alice’s beauty B.Alice’s happiness C.Alice’s age D.Alice’s swimming suit 小题5:From the letter we know that __________ A.Emma is a famous model B.Emma likes being a model for a living C.Alice will go on her studies in high school D.Emma can eat what she likes when she is very hungry
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参考答案:
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【判断题】几何平均直径其实就是自然对数的算数平均直径。
A.
正确
B.
错误
【单选题】凯氏定氮法滴定终点是
A.
出现绿色
B.
出现灰色
C.
出现微红色
D.
出现蓝色
【判断题】凯氏定氮法测定蛋白质含量滴定至终点时指示剂甲基红一澳甲酚绿的颜色由酒红色变为绿色。
A.
正确
B.
错误
【单选题】凯氏定氮法测定蛋白质时,使用甲基红-溴甲酚绿作为指示剂,则颜色由( )转变为微红色为滴定终点。
A.
无色
B.
蓝色
C.
紫色
D.
黄色
【判断题】几何平均直径其实就是自然对数的算数平均直径。
A.
正确
B.
错误
【判断题】凯氏定氮法测定蛋白质时,在使用甲基红-溴甲酚绿作为滴定指示剂时,颜色由蓝色转变为微红色为滴定终点。
A.
正确
B.
错误
【单选题】对于重结构的普通船舶来说,其上甲板横梁间的允许负荷为()×9.81kPa。
A.
0.72/S.F
B.
1.2/S.F
C.
1.5/S.F
D.
7.06/S.F
【单选题】用凯氏定氮法测定食品中的氮,待滴至瓶内溶液呈暗灰色时,若振摇后复现绿色,应再小心滴入()半滴,振摇1~2min不褪色,当视为到达滴定终点。
A.
标准盐酸溶液
B.
标准草酸溶液
C.
标准硝酸溶液
D.
标准硼酸淫
【单选题】对于重结构的普通船舶来说,其上甲板横梁间的单位面积允许符合为()kpa。(S.F://船舶设计的货物积载因数)
A.
9.81×0.72/S.F
B.
9.81×1.2/S.F
C.
9.81×1.5/S.F
D.
9.81×7.06/S.F
【单选题】对于重结构的普通船舶来说,其上甲板横梁间的允许负荷为( )
A.
0.72/μ
B.
1.2/μ
C.
1.5/μ
D.
7.06/μ
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