习惯枯萎病病部在环境潮湿时，常见到（）色霉状物。
A.粉红
B.白
C.灰
D.黑
参考答案：A
损伤后早期，病人呼吸急促可发生
A．代谢性酸中毒B．代谢性碱中毒C．混合性酸中毒D．混合性碱中毒E．呼吸性碱中毒
Last year, he wrote to tell me that he ______ his new dance. But I ______ of him ever since.
A．practised; didn’t heard
B．has practised; haven’t heard
C．was practising; hadn’t heard
D．was practising; haven’t heard
