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【单选题】
下列关于中华文化和民族精神的关系说法正确的是（） ①中华文化的力量，集中表现为民族精神的力量 ②中华民族精神，根植于绵延数千年的优秀文化传统之中，始终是维系中华各族人民共同生活的精神纽带 ③民族文化就是民族精神 ④民族文化和民族精神都具有时代性A.
①②③
B.
②③④
C.
①②④
D.
①③④
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【简答题】铜锈的化学名叫()。
【简答题】助留助滤剂一元常用的化学品是?二元和三元的特点各是什么?微粒助留是指。
【简答题】助留助滤剂一元常用的化学品是?二元和三元的特点各是什么?微粒助留是指 什么。
【简答题】Why does the author mention gunpowder in Paragraph 3? [A] To remind readers that the colonial era ended in ware. [B] To give an example of a product made from wood consumption. [C] To illustrate so...
【单选题】Why does the author mention 'planktonburgers' in paragraph 3?
A.
To describe the appearance of one type of plankton.
B.
To illustrate how much plankton a whale consumes.
C.
To suggest plankton as a possible food source.
D.
To compare food values of beef and plankton.
【简答题】助留助滤剂一元常用的化学品是( ）。
【单选题】According to the paragraph 7, is it necessary for us to we care about nature when we have modern technology?
A.
Yes, it is necessary.
B.
No, it is not necessary.
【单选题】对话理解 听力原文：W: Is it necessary for me to make a note of all my assets? M: Yes, of course, thus you can work out what sort of investment suits you and over what time frame. Q: Why should the woman make a...
A.
Thus she can know the most appropriate investment and the best time of investment.
B.
Thus she can earn a lot of money.
C.
Thus she can help others.
D.
Thus she can know about how much money she has.
【单选题】关于烟酸的叙述错误的是（）
A.
大剂量能使VLDL下降
B.
大剂量能使TG下降
C.
大剂量能使LDL-C下降
D.
大剂量能使HDL-C下降
E.
与考来烯胺合用，降LDL-C作用加强
【简答题】Why is it necessary for all engineers to be familliar with manufacturing processes?
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