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【单选题】
适用于多数乳磨牙缺失的缺隙保持器是()
A.
丝圈式缺隙保持器
B.
活动式缺隙保持器
C.
固定式缺隙保持器
D.
铸造式缺隙保持器
E.
压膜式缺隙保持器
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参考答案:
举一反三
【单选题】EDI 技术与传统手工方式比较,哪个不是其优势( )
A.
传输速度快
B.
准确率高
C.
数据真实
D.
劳动效率高
【单选题】These are _____ sisters. [     ]
A.
two his
B.
his two
C.
two he
D.
he two
【单选题】Over the past two decades, teenage childbearing in the United States experienced a downward trend, and births to unmarried teens between 1970 and 1990______.
A.
declined greatly
B.
increased slightly
C.
declined slightly
D.
increased greatly
【判断题】从所有者角度来看,资产负债率越高越好。( )
A.
正确
B.
错误
【简答题】阅读理解。 What happens to a age kid when the world he thought he knew suddenly changes? Find out in Little Brother by American author Cory Doctorow. It is a fascinating book for a new generation of sc...
【单选题】健康成年人,在安静状态下,心率的正常范围是
A.
50~70次/分
B.
60~80次/分
C.
70~100次/分
D.
60~100次/分
【判断题】两根不同直径钢筋搭接时,查表d应取较细钢筋直径。
A.
正确
B.
错误
【单选题】设已执行预编译命令#include<string.h>,以下程序段的输出结果是( )。 char s[]=' an apple' ; printf(' %d/n' ,strlen(s));
A.
7
B.
8
C.
9
D.
10
【简答题】用括号中所给词的适当形式填空。 1. ______ (age) want to go to the Watertown. 2. He got two ______ (Australia) stamps from his friend. 3. The Yellow River is the ______ (two) longest river in China. 4. Alice asks ...
【单选题】Two (teenage) helped the old lady with her heavy bags.
A.
teen
B.
teenage
C.
teenager
D.
teenagers
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