题目内容
A1和A3型最紧密堆积结构之间有差异，高温下A1型结构比较稳定。
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1. Doctors __________are the first to admit that the treatment has side effects.2. I saw the minister of education ________in the VIP lounge （贵宾厅） at the airport.3. Look, Dad, she drew this beautiful bird ______________________.4. We’ve checked the wiring and the aerial （天线） so the problem may have to do with the television ____________.5. We’ve often made that mistake ___________.6. Did you fix the computer ______________?
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