问题
单项选择题
沉香( )
A．薄壁细胞中含草酸钙簇晶，直径达40μm
B．纤维束周围细胞含草酸钙方晶，形成晶纤维
C．薄壁细胞中含草酸钙柱晶
D．表皮细胞外侧角质增厚
E．薄壁细胞中含草酸钙棱晶
答案
参考答案：C
解析：[知识点] 茎木类中药——沉香
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沉香( )
A．薄壁细胞中含草酸钙簇晶，直径达40μm
B．纤维束周围细胞含草酸钙方晶，形成晶纤维
C．薄壁细胞中含草酸钙柱晶
D．表皮细胞外侧角质增厚
E．薄壁细胞中含草酸钙棱晶
参考答案：C
解析：[知识点] 茎木类中药——沉香
| 用方框内所给单词的适当形式填空。 | |
the closest people to you in the world. But a lot of middle school students have a problem. They feel they're not as 3 _______ to their parents as before. They even think their parents are unfair to them. Some students complain that their parents say a lot to them, but never 4_______ to them. Some of them even say it 5_______ . "My parents don't allow me to play computer games, 6_______ other classmates are doing that". Others say, when they're 7_______ phone calls to friends, their parents like to ask if they're speaking to a boy or a girl. These make them very 8_______. Some students even decide to leave home. But they don't know running away may bring them some more problems. Show your parents you're growing up. Then they'll feel you're no 9_______ a small child. 10_______ you follow the advice, you'll have a happy life and never think of running away. |
缺损，义齿设计：基牙
弯制卡环，塑料基托连接，义齿蜡型采用混装法装盒
增高，其原因以下叙述不正确的是（）