问题
单项选择题 共用题干题
缺失，患者要求做可摘局部义齿修复。设计为
上放置间隙卡环。
牙槽嵴丰满，义齿修复可不做唇基托，但模型应做处理，正确的处理方式为（）。
A.在牙槽嵴的唇侧刮除石膏1mm
B.在牙槽嵴的唇侧刮除石膏0.5mm
C.在牙槽嵴顶刮除石膏0.5mm
D.在牙槽嵴的唇侧刮除石膏0.2mm
E.在牙槽嵴顶刮除石膏0.2mm
答案
参考答案：D
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缺失，患者要求做可摘局部义齿修复。设计为上放置间隙卡环。
牙槽嵴丰满，义齿修复可不做唇基托，但模型应做处理，正确的处理方式为（）。
A.在牙槽嵴的唇侧刮除石膏1mm
B.在牙槽嵴的唇侧刮除石膏0.5mm
C.在牙槽嵴顶刮除石膏0.5mm
D.在牙槽嵴的唇侧刮除石膏0.2mm
E.在牙槽嵴顶刮除石膏0.2mm
参考答案：D
| 阅读下面短文，根据内容选择答案。 |
| Today Mike is playing near a river. Suddenly (突然) his knife falls into (掉进) the water. He is very sad because the knife is the birthday present (礼物)his father gives him, but it is lost. Then an old woman comes up and asks Mike what is wrong. "I lose my knife." he says. "It falls into the water when I am playing here." The old woman gives him a gold (金) knife and asks, "Is this your knife? No," says the boy. The old woman gives him a silver (银) knife and asks again, "And this one? No," says the boy. Then she gives him an iron (铁) knife. "Yes, that's mine," calls out the happy boy." I know it well enough (足够地)." The old woman says, "Now I will give you the gold knife and the silver knife because you are an honest (诚实的) boy." |
| 1．What happens to (发生) Mike when he is playing near a river? |
[ ] |
| A．His father gives him a knife. B．He falls into the river. C．His knife falls into the river. |
| 2．The word of "sad" means (意思是)_______. |
[ ] |
| A．高兴 B．快乐 C．伤心 |
| 3．Mike is happy at last (最后) because _______. |
[ ] |
| A．he sees the gold knife B．the old woman is very kind C．he gets his knife back with the woman's help |
| 4．Are the gold knife and the silver one Mike's? |
[ ] |
| A．Yes, they are. B．No, they aren't. C．Yes, they do. |
| 5．The story is about _______. |
[ ] |
| A．three kinds of knives B．a kind old woman C．an honest boy and a kind old woman |