因井下太潮湿，经矿领导批准，只要CH4<0.5%，可用大灯泡烘烤电机，但严禁使用灯炮取暖。（）
参考答案：错
---The Bird's Nest, isn't it?
---Yes. It's ___________we visited during our stay in Beijing.
A．where
B．what
C．when
D．That
糖尿病（）
A.禁水加压试验用于诊断
B.OGTT用于诊断
C.小剂量地塞米松抑制试验用于诊断
D.螺内酯试验用于诊断
E.ACTH兴奋试验用于诊断
---Yes. It's ___________we visited during our stay in Beijing.