[单项选择]{{B}} Passage One Questions 26 to 28 are based on the passage you have just heard.{{/B}}
A. Use of copper conductors.
B. Use of plastic insulator (绝缘体).
C. Use of silicon (硅) semiconductors.
D. Elimination of chemicals.

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[单项选择]{{B}} Passage One Questions 26 to 28 are based on the passage you have just heard.{{/B}}
A. her father lost a pen
B. her father didn’t know where his penny was.
C. she told the father that he lost a penny
D. her father wanted to buy something.

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[单项选择]{{B}} Passage One Questions 26 to 28 are based on the passage you have just heard.{{/B}}A. Use of copper conductors.B. Use of plastic insulator (绝缘体).C. Use of silicon (硅) semiconductors.D. Elimination of chemicals.

更多"{{B}} Passage One Questions 2"的相关试题:

[单项选择]{{B}} Passage One Questions 26 to 28 are based on the passage you have just heard.{{/B}}
A. Use of copper conductors.
B. Use of plastic insulator (绝缘体).
C. Use of silicon (硅) semiconductors.
D. Elimination of chemicals.