对深形楔状缺损引起的牙本质过敏首选的治疗方法为()
A.药物脱敏
B.牙髓治疗
C.牙周洁治治疗
D.直接充填治疗
E.垫底后充填治疗
参考答案:E
假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处,每处错误仅涉及一个单词的增加、删除或修改。
增加:把缺词处加一个漏符号(∧),并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1. 每处错误及其修改均仅限一词;
2. 只允许修改10处,多者(从第11处起)不计分。
The book I’m reading of talks about afternoon tea in Britain. It is said to have started in the early 1800’s. Have tea in the late agternoon provides a bridge between lunch and dinner, that might not be served until 8 o’clock at night. This custom soon becomes another meal of day. Interesting, it had a connection by the British porcelain(瓷器) industry. Tea in China was traditionally drank from cups without handles. When tea got popular in Britain, there was a crying need for good cup with handles to suit British habits. This made for the grow in the porcelain industry.
附着升降脚手架竖向主框架应采用焊接或螺栓连接的片式框架或格构式结构。()