下列属于非感染性发热的是
A.大叶性肺炎B.肺脓肿C.扁桃体炎D.甲状腺功能亢进症E.流行性脑脊髓膜炎
参考答案:D
在冬季因为钢料的()降低,应特别注意重点部位疲劳裂纹的发生。
A、强度
B、冲击韧性
C、内应力
D、弹性
Joan had a total of $16.50 in her coin bank. How many quarters does she have (1) The bank contains only quarters and dimes. (2) There were 81 coins in the bank.