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【判断题】
在《振动与压电陶瓷特性实验》中,当看到干涉条纹的亮纹移到了暗纹位置,说明压电陶瓷的长度发生了一个波长的变化。A.
正确
B.
错误
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举一反三
【单选题】________ China's growth is not ________ threat to others.On ________ contrary, it will bring more opportunities to the world.
A.
The；a；/
B.
The；/；the
C.
/；a；/
D.
/；a；the
【多选题】企业想要提高经济效益正确的途径是
A.
创新技术，推动企业集约发展
B.
提高产品质量，树立企业良好信誉和形象
C.
延长劳动时间，缩减工人工资，降低成本
D.
改善管理，提高经营管理水平
【单选题】进入21世界,在全面建成小康社会的基础上,到本世纪中叶,把我国建成( )。
A.
基本实现社会主义现代化
B.
实现中华民族伟大复兴
C.
实现中国梦
D.
把我国建设成富强民主文明和谐美丽的社会主义现代化强国
【单选题】Thanks to the Party's opening and reform policy, people in China are ______ than they were thirty years ago. [ ]
A.
well off
B.
much better off
C.
more better off
D.
quite better off
【单选题】Thanks to the Party’s opening and reform policy, people in China are _____ than they were thirty years ago .
A.
worse off
B.
much better off
C.
more better off
D.
quite better off
【单选题】With China's policy of reform and opening to the outside world, the city has had________growth in the number of international tourists over the past two decades. [ ]
A.
abstract
B.
solid
C.
fragile
D.
steady
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