皮皮学，免费搜题
登录
搜题
【单选题】
麻花钻主切削刃上各点的前角不同,( )处的前角最大。A.
）钻头外缘
B.
）钻头中心
C.
）钻头
D.
）以上答案均不正确
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】Healthy guilt is a warning signal that either something dangerous is about to happen or something has already happened that need【21】. A feeling of distress is good when it keeps us from【22】our own val...
A.
connection
B.
correction
C.
recovery
D.
repetition
【简答题】______ I had time, I would have run round that lake again. A. If B. Unless C. Had D. When 24. Not only ______ a promise ,but he also kept it. A. had he made B. he had made C. did...
【单选题】51岁女性,月经不规律半年,量时多时少,服甲基睾丸素治疗无效,此次月经特别多,致面色苍白,心慌,宜采取何种紧急措施以止血
A.
黄体酮
B.
双合激素(雌、孕激素)
C.
雌激素
D.
诊断性刮宫
E.
子宫切除术
相关题目：