(大连市高三双基测试卷)Mr. Li said those who had fa
题型：选择题
问题：
(大连市高三双基测试卷)Mr. Li said those who had failed _______ further training and a second chance to pass the exam the next week.
A．were given
B．had given
C．were to give
D．would be given
题型：选择题
(大连市高三双基测试卷)Mr. Li said those who had failed _______ further training and a second chance to pass the exam the next week.
A．were given
B．had given
C．were to give
D．would be given
金属烤瓷全冠烧结完成后发现其瓷层颜色与标准比色板相比颜色发暗井稍呈蓝色，造成这种现象可能的原因是（）