下列哪种香蕉风味最佳()。
A、皮黄黑泛红,稍带黑斑
B、结实粗壮,色泽金黄
C、表皮有皱纹,颜色发黑
D、黄中带青、参差不齐
参考答案:A
In that school, English is compulsory for all students, but French and Russian are _______.
A.special
B.regional
C.optional
D.original
采用蒸汽作为吹扫介质时,防止携水,一般希望有()的过热度。
A.50℃
B.100—150℃
C.80℃
D.90℃