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【单选题】
含氟塑料最主要来源于( )A.
化工原料
B.
生产中的各种助剂，添加剂、催化剂
C.
聚合物树脂加工制成品
D.
单体的制备和聚合物的加工烧结过程
E.
以上都是
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【简答题】param标准动作用于为其他动作标签提供附加参数信息,该动作通常可以与( )、( )等一起使用。
【简答题】In relation to the English legal system: (a) explain and distinguish between: (i) primary legislation; and (ii) secondary/delegated legislation. (6 marks) (b) explain the powers of the courts in relat...
【多选题】死亡的意义这个议题所包括的两种含义是
A.
肉体死亡意味着什么。
B.
精神死亡意味着什么。
C.
“有死”的意义，也就是人会死亡这件事的意义。
D.
某一个体的死亡这件具体的事情的意义。
【单选题】I’ll never forget the good trick my classmates ________ on me when I was in the primary school.
A.
paid
B.
acted
C.
played
D.
made
【单选题】When I was in primary school, I was told that the earth ______around the sun.
A.
had travelled
B.
would travel
C.
travels
D.
travelled
【单选题】When I was in primary school, I had trouble ______complete sentences.
A.
to make
B.
made
C.
making
D.
make
【单选题】The primary purpose of paragraph I is to ______.
A.
summarize past research and introduce a new study
B.
describe a historical period
C.
emphasize the advantages of one theory over another
D.
define a term and illustrate it with an example
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