日语
韩语
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意大利语
阿拉伯语
葡萄牙语
越南语
俄语
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泰语
第一节：单项填空（共15小题，每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. Plastic and rubber won\'t _________ electricity, but copper will.
A. have B. made C. shapes D. conduct
22. _________ that he had fallen behind, he tried to work harder.
A. Having realized B. Realized C. Realize D.T o realize
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. Plastic and rubber won\'t _________ electricity, but copper will.
A. have B. made C. shapes D. conduct
22. _________ that he had fallen behind, he tried to work harder.
A. Having realized B. Realized C. Realize D.T o realize
