钛及钛合金人工牙根的表面处理方法一般可分为________、_______、_______和________四大类。
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Which of the following is NOT mentioned as one of the ways children can deal with money?_____
A: Donating their money to the poor.
B: Buying a desirable new cell phone.
C: Setting costly goals for themselves.
D: Saving it in a personal bank account.
西安市河长制工作于今年2月份正式启动,构建了三级河长体系。()
A. 对
B. 错
今后五年西安市的战略核心包括全力推进大西安建设、全力推进国家中心城市建设、全力推进美丽西安建设、全力推进“三廊两轴两带一通道”建设。()
A. 对
B. 错