A.
B.
C.
D.
[单选题]A.绝热性好,隔声性好B.绝热性差,隔声性好C.绝热性好,隔声性差D.耐热性差,隔声性差
[单选题]A.Ⅰ、ⅡB.Ⅱ、ⅢC.Ⅱ、ⅣD.Ⅲ、Ⅳ
[单选题]A.Ⅰ、ⅡB.Ⅱ、ⅢC.Ⅱ、ⅣD.Ⅲ、Ⅳ
[单选题]A.20B.30C.60D.72E.76
[单选题]A.20B.30C.60D.72E.76
[多选题]A.①一②—⑥—⑦一⑧B.①一③—⑥—⑦—⑧C.①一④—⑥—⑦—⑧D.①一②—③—⑥一⑦—⑧E.①—②—⑤—⑧
[单选题]A.50m/sB.55m/sC.60m/sD.65m/s
[单选题]A.50m/sB.55m/sC.60m/sD.65m/s
[单选题]A.海绵状血管瘤B.复发性溃疡C.舌下腺囊肿D.恶性黑色素瘤E.颊粘膜癌