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问题 选择题

下侧漫画《合家欢》说明了 [ ]

A．现在的人都贪图享受

B．我国人民生活水平得到了显著提高

C．农村实行税费改革，减轻了农民负担

D．东部发达地区与西部落后地区差距很大

答案

答案：B

阅读理解

根据课文内容，判断下列句子的正(T)误(F)。

( ) 1. Basketball was invented in 1861.

( ) 2. Dr Naismith created the basketball game which was played indoors at first.

(     ) 3. Dr Naismith divided all his classmates into two teams to play his new game.

(     ) 4. Dr Naismith used the backboard to help the players put the ball into the basket.

(     ) 5. Till now, there haven’t been any Chinese basketball players in NBA.

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单项选择题

患者男，因上前牙牙龈反复出现瘘管，X线片显示根管钙化，经过多次正规治疗后无效，拟行根尖手术。

下列说法错误的是

A．根尖切除的长度约为2mm

B．理想修复形式是牙根面形成硬骨板，与根周硬骨板相连

C．牙根断面为唇颊向斜面

D．倒充填术备洞深度为1～2mm

E．玻璃离子水门汀可作为倒充填术的充填材料
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