君士坦丁堡指的是现在的哪一个地方（）
A、威尼斯
B、土耳其
C、伦敦
D、巴黎
参考答案：B
They are going to fly to Yunnan, it is warm in this season. [ ]
A. where
B. which
C. as
D. when
烤烟苗期病害如何综合防治？
