logo - 刷刷题
下载APP
【简答题】

There is no denying that our world is becoming more and more developed. Due to the (36) conveniences brought about by the thriving industries of today, we are (37) toward a more advanced stage of civilization. However, we should never fail to note that while we are trying every means to satisfy our (38) needs for better quality and larger quantity by producing millions of tons of (39) plastic bags and chopping down vast areas of forest, we are, in fact, cutting the (40) of ourselves. It is high time that we came to face the severe problem of (41) pollution mused by our inattention to the (42) development of industries. Nobody can bear the idea of living in an environment where people have to wear (43) masks whenever they go out and where a sunny bright day becomes a rare sight. Nevertheless, (44) And if we do not pr environmental pollution, we would (45) just like the fishes in the oil-polluted waters. In order to improve our environment, we should, for example, (46) decrease the exhaust of cars and adopt nuclear non-proliferation policy. What’s more important, we should plant more trees and grow more grass. Only by this can we have a beautiful place to live in the future.

举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】A.成品桩桩冠 B.金属舌面烤瓷桩冠 C.金属桩核烤瓷冠 D.不锈钢丝弯制桩桩冠 E.金属桩塑料冠

A.
患者,男性,35岁,冠折1/2,已作完善根管治疗,深覆,以下哪种修复方案较恰当()

【单选题】处理方法是() A.基托组织面重衬 B.人工牙减径或减数 C.增加右下尖牙舌支托 D.A与B与C E.B与C

A.
患者,男性,62岁。缺失,活动义齿修复,RPI卡环,近中支托,三臂卡。义齿戴用1周后,主诉义齿游离端压痛、咀嚼不适。口腔内检查发现:义齿各部分均密合,固位及稳定性好,咬合无高点,基托伸展不影响软组织活动,缺牙区黏膜无明显压痛点、红肿或溃疡。