避雷针架设高度保证无线体在其()度的保护范围内。A.30 B.60 C.45 D.1 发布时间:2019-07-23 15:44 │ 来源:www.tikuol.com 题型:单项选择题 问题: 避雷针架设高度保证无线体在其()度的保护范围内。A.30B.60C.45D.15
题型:单项选择题 对于无牙颌病人,在选择后牙,确定其颊舌径宽度时,下列说法不正确的是()A.牙槽嵴低平者,宜选择颊舌径较窄的人工后牙B.牙槽嵴呈刀刃状者,宜选择颊舌径较窄的人工后牙C.牙槽嵴较丰满者,所选人工后牙颊舌径应小于原天然牙D.牙槽嵴较丰满者,所选人工后牙应大于原天然牙E.牙槽嵴低平者,宜选择咀嚼面积小的人工后牙 查看答案
题型:单项选择题 My pen pal said he would write to me, but I ______ any letters from him so far. [ ]A. won't receiveB. haven't receivedC. hadn't received D. didn't receive 查看答案
题型:单项选择题 关于经 * * 超声检查的优势,下列叙述不正确的是()。A.可更清晰地显示子宫内膜B.可清楚观察卵巢形态并监测卵泡C.容易检测出子宫及卵巢的血流D.经 * * 穿刺无需经过膀胱E.经 * * 穿刺适于所有盆腔肿块 查看答案