一般品尝酒的次数应当是（）。
A.两次
B.三次
C.四次
D.五次
参考答案：B
A vessel is listed when it is（）.
A.down by the head
B.down by the stern
C.inclined due to off-center weight
D.inclined due to wind
沥青旋转薄膜加热试验的试验温度为（）℃。
A.165±1
B.165±0.5
C.163±1
D.163±0.5
