2. 外语
  3. Nylon is a kind of______material widely used in our daily lives.

Nylon is a kind of______material widely used in our daily lives.

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问题 Nylon is a kind of______material widely used in our daily lives.
选项 A、mixed
B、synthetic
C、combined
D、systematic
答案B
解析 synthetic a.合成的，人造的；综合的。mixed a.混合的。combined a.联合在一起的。结合在一起的。systematic(al)a．有系统的，系统化的；有计划有步骤的。
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