皮皮学，免费搜题
登录
搜题
【判断题】
角接触球轴承的接触角a值越大，表示其承受轴向力的能力越大。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】男性，45岁。低热、咳嗽、咳痰带血半月，伴消瘦。X线胸片发现右肺门处致密阴影。行胸部CT检查，在右下叶背段可见大小约2．6×3．2cm肿块影，与右肺门关系密切，其内有裂隙样透亮区，周边见长短不一毛刺征及分叶征，周围肺野有斑点状较硬病灶；进一步行CT增强检查发现病灶基本呈周边环行强化。请问该病人恰当的诊断为（）。
A.
周围型肺癌
B.
肺错构瘤
C.
肺脓肿
D.
肺结核瘤
E.
肺韦格肉芽种
【单选题】Tom told me that after a few years in China not only____his Chinese, and that he had also obtained
A.
4．Tom told me that after a few years in China not only____his Chinese, and that he had also obtained more interest. A．does he improve
B.
had he improved
C.
he had improved
D.
he will improve
【简答题】Tom told me that he (see) you before.A. had seen
相关题目：