以下植物属于卷须型攀援类藤木的为()。
A、凌霄
B、葡萄
C、络石
D、常春藤
参考答案:B
You have to wear a helmet and a life jacket for protection, just ____ you fall into the water.
A.for
B.because
C.so that
D.in case
石佛寺后面有什么?它的水质如何?