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【单选题】
牙膜纤维的主要成分是A.
胶原纤维和Oxytalan纤维
B.
Oxytalan纤维和弹力纤维
C.
胶原纤维和网状纤维
D.
弹力纤维和胶原纤维
E.
网状纤维和弹力纤维
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反馈参考答案：
举一反三
【简答题】阅读理解。 'I swear, I didn't steal anything!' I shouted over the alarm. Obviously the security guard didn't believe me because he seized the shopping bag right out of my hand. 'Do you have a receipt for t...
【简答题】阅读理解。 'I swear, I didn't steal anything!' I shouted over the alarm. Obviously the security guard didn't believe me because he seized the shopping bag right out of my hand. 'Do you have a receipt of th...
【单选题】我国宪法规定,年满 18 周岁的公民,不分民族、种族、性别、职业、家庭出身、 宗教信仰、教育程度、财产状况、居住期限,除依法被利夺政治权利的人外,都有 选举权和被选举权。该权利( )。
A.
是公民最根本的人权
B.
是公民基本的发展权利
C.
是公民基本的生存权利
D.
是公民基本的政治权利
【单选题】Obviously there was little probability that they would succeed, but they didn’t mind .
A.
主语从句
B.
宾语从句
C.
表语从句
D.
同位语从句
【简答题】阅读理解。 'I swear, I didn't steal anything!' I shouted over the alarm. Obviously the security guard didn't believe me because he seized the shopping bag right out of my hand. 'Do you have a receipt for t...
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