品茶是精神享受的过程。烹茶时,茶、水、器、火,缺一不可。茶叶要看其形状、色泽、香味。The ____ for drinking cha are delightful. Cha, water, wares and fire are ____ when making cha. The shape, color and ____ of cha are quite important.
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水要清澈、甘甜。火要干净无异味。茶具以瓷器和紫砂为主。喝茶使人更亲近自然。The water should be ____ and sweet. The fire should be clean without odour. The ____ and purple clay tea sets are widely used. People feel ____ by drinking cha.
列车运行,遇大雪天气,列车不容易发生( )。
A. 空转
B. 滑行
C. 火灾
司机遇钢轨丢失,使用( )停车。
A. 紧急
B. 常用
C. 电
在不得已情况下,列车必须退行,司机应将换向手柄置于( )位。